A curated list of awesome Java frameworks, libraries and software.

• ReactiveX/RxJava - RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
• elastic/elasticsearch - Open Source, Distributed, RESTful Search Engine
• square/retrofit - Type-safe HTTP client for Android and Java by Square, Inc.
• square/okhttp - An HTTP+HTTP/2 client for Android and Java applications.
• iluwatar/java-design-patterns - Design patterns implemented in Java
• google/guava - Google Core Libraries for Java
• square/leakcanary - A memory leak detection library for Android and Java.
• zxing/zxing - Official ZXing ("Zebra Crossing") project home
• libgdx/libgdx - Desktop/Android/HTML5/iOS Java game development framework
• kdn251/interviews - Everything you need to know to get the job.
• alibaba/fastjson - 🚄 A fast JSON parser/generator for Java
• android10/Android-CleanArchitecture - This is a sample app that is part of a series of blog posts I have written about how to architect an android application using Uncle Bob's clean architecture approach.
• alibaba/dubbo - 📢 Dubbo is a distributed, high performance RPC framework empowering applications with service import/export capabilities.
• realm/realm-java - Realm is a mobile database: a replacement for SQLite & ORMs
• mikepenz/MaterialDrawer - The flexible, easy to use, all in one drawer library for your Android project.
• winterbe/java8-tutorial - Modern Java - A Guide to Java 8
• deeplearning4j/deeplearning4j - Deep Learning for Java, Scala & Clojure on Hadoop & Spark With GPUs - From Skymind
• orhanobut/logger - Simple, pretty and powerful logger for android
• square/dagger - A fast dependency injector for Android and Java.
• roughike/BottomBar - A custom view component that mimics the new Material Design Bottom Navigation pattern.
• eclipse/vert.x - Vert.x is a tool-kit for building reactive applications on the JVM
• perwendel/spark - A Sinatra inspired framework for java
• junit-team/junit4 - A programmer-oriented testing framework for Java.
• florent37/MaterialViewPager - A Material Design ViewPager easy to use library
• prestodb/presto - Distributed SQL query engine for big data
• Bearded-Hen/Android-Bootstrap - Bootstrap style widgets for Android, with Glyph Icons
• dropwizard/dropwizard - A damn simple library for building production-ready RESTful web services.
• cymcsg/UltimateRecyclerView - A RecyclerView(advanced and flexible version of ListView in Android) with refreshing,loading more,animation and many other features.
• xetorthio/jedis - A blazingly small and sane redis java client
• kaushikgopal/RxJava-Android-Samples - Learning RxJava for Android by example
• google/guice - Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 6 and above, brought to you by Google.
• Yalantis/uCrop - Image Cropping Library for Android
• google/auto - A collection of source code generators for Java.
• dropwizard/metrics - 📈 Capturing JVM- and application-level metrics. So you know what's going on.
• skylot/jadx - Dex to Java decompiler
• google/j2objc - A Java to iOS Objective-C translation tool and runtime.
• mybatis/mybatis-3 - MyBatis SQL mapper framework for Java
• evant/gradle-retrolambda - A gradle plugin for getting java lambda support in java 6, 7 and android
• facebook/buck - A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.
• mockito/mockito - Most popular Mocking framework for unit tests written in Java
• brettwooldridge/HikariCP - 光 HikariCP・A solid high-performance JDBC connection pool at last.
• facebook/rebound - A Java library that models spring dynamics and adds real world physics to your app.
• jhy/jsoup - jsoup: Java HTML Parser, with best of DOM, CSS, and jquery
• code4craft/webmagic - A scalable web crawler framework for Java.
• hotchemi/PermissionsDispatcher - Simple annotation-based API to handle runtime permissions.
• rzwitserloot/lombok - Very spicy additions to the Java programming language.
• swagger-api/swagger-core - Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API
• scribejava/scribejava - Simple OAuth library for Java
• Yalantis/Side-Menu.Android - Side menu with some categories to choose.
• square/okio - A modern I/O API for Java
• AsyncHttpClient/async-http-client - Asynchronous Http and WebSocket Client library for Java
• naver/pinpoint - Pinpoint is an open source APM (Application Performance Management) tool for large-scale distributed systems written in Java.
• google/android-classyshark - Executables (apk, multi-dex, jar) browser for Android and Java
• JakeWharton/DiskLruCache - Java implementation of a Disk-based LRU cache which specifically targets Android compatibility.
• square/javapoet - A Java API for generating .java source files.
• sockeqwe/mosby - A Model-View-Presenter / Model-View-Intent library for modern Android apps
• Yalantis/Phoenix - Phoenix Pull-to-Refresh
• robolectric/robolectric - Android Unit Testing Framework
• stanfordnlp/CoreNLP - Stanford CoreNLP: A Java suite of core NLP tools.
• orfjackal/retrolambda - Backport of Java 8's lambda expressions to Java 7, 6 and 5
• pxb1988/dex2jar - Tools to work with android .dex and java .class files
• diogobernardino/WilliamChart - Android library to create charts.
• java-native-access/jna - Java Native Access
• Vedenin/useful-java-links - A list of useful Java frameworks, libraries, software and hello worlds examples
• Yalantis/Context-Menu.Android - You can easily add awesome animated context menu to your app.
• Atmosphere/atmosphere - Realtime Client Server Framework for the JVM, supporting WebSockets with Cross-Browser Fallbacks
• NLPchina/ansj_seg - ansj分词.ict的真正java实现.分词效果速度都超过开源版的ict. 中文分词,人名识别,词性标注,用户自定义词典
• lzyzsd/JsBridge - android java and javascript bridge, inspired by wechat webview jsbridge
• JodaOrg/joda-time - Joda-Time is the widely used replacement for the Java date and time classes prior to Java SE 8.
• prolificinteractive/material-calendarview - A Material design back port of Android's CalendarView
• johncarl81/parceler - 📦 Android Parcelables made easy through code generation.
• real-logic/Aeron - Efficient reliable UDP unicast, UDP multicast, and IPC message transport
• joelittlejohn/jsonschema2pojo - Got 60 seconds to give some feedback? Complete the 2017 user survey:
• mikepenz/Android-Iconics - Android-Iconics - Use any icon font, or vector (.svg) as drawable in your application.
• NanoHttpd/nanohttpd - Tiny, easily embeddable HTTP server in Java.
• square/moshi - A modern JSON library for Android and Java.
• grpc/grpc-java - The Java gRPC implementation. HTTP/2 based RPC
• jasonross/Nuwa - Nuwa, pure java implementation, can hotfix your android application.
• b3log/solo - 🎸 A blogging system written in Java, feel free to create your or your team own blog. 一个用 Java 实现的博客系统，为你或你的团队创建个博客吧！
• google/error-prone - Catch common Java mistakes as compile-time errors
• Ramotion/folding-cell-android - FoldingCell is an expanding content cell inspired by folding paper material
• apereo/cas - Apereo CAS - Enterprise Single Sign On for all earthlings and beyond.
• hankcs/HanLP - 自然语言处理 中文分词 词性标注 命名实体识别 依存句法分析 关键词提取 自动摘要 短语提取 拼音 简繁转换
• mcxiaoke/packer-ng-plugin - 下一代Android打包工具，100个渠道包只需要10秒钟
• redisson/redisson - Redisson - distributed Java objects and services (Set, Multimap, SortedSet, Map, List, Queue, BlockingQueue, Deque, BlockingDeque, Semaphore, Lock, AtomicLong, CountDownLatch, Publish / Subscribe, Bloom filter, Spring Cache, Executor service, Tomcat Session Manager, Scheduler service, JCache API) on top of Redis server.
• puniverse/quasar - Fibers, Channels and Actors for the JVM
• jankotek/mapdb - MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.
• ben-manes/caffeine - A high performance caching library for Java 8
• antlr/antlr4 - ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
• hibernate/hibernate-orm - Hibernate's core Object/Relational Mapping functionality
• stleary/JSON-java - A reference implementation of a JSON package in Java.
• rengwuxian/RxJavaSamples - RxJava 和 Retrofit 结合使用的几个最常见使用方式举例
• yangfuhai/ASimpleCache - a simple cache for android and java
• siacs/Conversations - Conversations is an open source XMPP/Jabber client for the Android platform
• sherxon/AlgoDS - Implementation of Algorithms and Data Structures, Interview Questions and Answers
• Yalantis/GuillotineMenu-Android - Neat library, that provides a simple way to implement guillotine-styled animation
• kevinsawicki/http-request - Java HTTP Request Library
• nisrulz/android-tips-tricks - ☑️ [Cheatsheet] Tips and tricks for Android Development
• biezhi/blade - 🚀 a aimple, elegant mvc framework! website →
• Activiti/Activiti - Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.
• flyway/flyway - Flyway by Boxfuse • Database Migrations Made Easy.
• hazelcast/hazelcast - Open Source In-Memory Data Grid
• codecentric/spring-boot-admin - Admin UI for administration of spring boot applications
• gzu-liyujiang/AndroidPicker - 安卓选择器类库，包括日期选择器、时间选择器、单项选择器、城市地址选择器、车牌号选择器、数字选择器、星座选择器、生肖选择器、颜色选择器、文件选择器、目录选择器等，可自定义顶部及底部界面，可自定义窗口动画……Picker for android, include date&time/option/number/address/city/color/file&directory.
• yusugomori/DeepLearning - Deep Learning (Python, C, C++, Java, Scala, Go)
• yusuke/twitter4j - Twitter4J is an open-sourced, mavenized and Google App Engine safe Java library for the Twitter API which is released under the Apache License 2.0.
• MovingBlocks/Terasology - Terasology - open source voxel world
• pedrovgs/Algorithms - Solutions for some common algorithm problems written in Java.
• rest-assured/rest-assured - Java DSL for easy testing of REST services
• jersey/jersey - This is an active mirror of Jersey 3.x workspace from http://jersey.java.net. Any changes made here are automatically propagated to java.net and vice versa. Forks and pull requests are welcome!
• h2oai/h2o-3 - Open Source Fast Scalable Machine Learning API For Smarter Applications (Deep Learning, Gradient Boosting, Random Forest, Generalized Linear Modeling (Logistic Regression, Elastic Net), K-Means, PCA, Stacked Ensembles...)
• square/wire - Clean, lightweight protocol buffers for Android and Java.
• socketio/socket.io-client-java - Full-featured Socket.IO Client Library for Java, which is compatible with Socket.IO v1.0 and later.
• cymcsg/UltimateAndroid - UltimateAndroid is a rapid development framework for developing your apps
• checkstyle/checkstyle - Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.
• aws/aws-sdk-java - The official AWS SDK for Java.
• yasserg/crawler4j - Open Source Web Crawler for Java
• bytedeco/javacpp - The missing bridge between Java and native C++
• florent37/ExpectAnim - Describe your animation and run !
• gogopop/BlurKit-Android - The missing Android blurring library. Fast blur-behind layout that parallels iOS.
• requery/requery - requery - modern SQL based query & persistence for Java / Kotlin / Android
• Yalantis/Euclid - User Profile Interface Animation
• jfinal/jfinal - JAVA WEB + ORM Framework
• square/tape - A lightning fast, transactional, file-based FIFO for Android and Java.
• mrniko/netty-socketio - Socket.IO server implemented on Java. Realtime java framework
• spotify/helios - Docker container orchestration platform
• javaee-samples/javaee7-samples - Java EE 7 Samples
• chanjarster/weixin-java-tools - 微信公众号、企业号Java SDK
• OpenFeign/feign - Feign makes writing java http clients easier
• mongodb/mongo-java-driver - The Java driver for MongoDB
• jOOQ/jOOQ - jOOQ is an innovative solution for a better integration of Java applications with popular databases like Oracle, Microsoft SQL Server, IBM DB2, or SAP Sybase. When using jOOQ, our customers benefit from a significant added value and ROI as their software developers can express database queries in a much simpler and faster way. From our experience, this leads to a 10% - 20% decrease of programming effort, which again leads to higher quality and to a lower error rate in program code, and thus in the entire application.
• oblac/jodd - Jodd! light open-source Java micro-frameworks and tools: tools + ioc + mvc + db + aop + tx + json + html < 1.7 Mb
• vavr-io/vavr - Vavr (formerly called Javaslang) is an object-functional language extension to Java 8+, which aims to reduce the lines of code and increase code quality.
• fyhertz/libstreaming - A solution for streaming H.264, H.263, AMR, AAC using RTP on Android
• chewiebug/GCViewer - Fork of tagtraum industries' GCViewer. Tagtraum stopped development in 2008, I aim to improve support for Sun's / Oracle's java 1.6+ garbage collector logs (including G1 collector)
• ninjaframework/ninja - Ninja is a full stack web framework for Java. Rock solid, fast and super productive.
• Yalantis/FlipViewPager.Draco - This project aims to provide a working page flip implementation for usage in ListView.
• bytedeco/javacv - Java interface to OpenCV and more
• jwtk/jjwt - Java JWT: JSON Web Token for Java and Android
• crate/crate - CrateDB is a distributed SQL database that makes it simple to store and analyze massive amounts of machine data in real-time.
• Konloch/bytecode-viewer - A Java 8 Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)
• spring-projects/spring-loaded - Java agent that enables class reloading in a running JVM
• ZieIony/Carbon - Material Design implementation for Android 4.0+. Shadows, ripples, vectors, fonts, animations, widgets, rounded corners and more.
• json-path/JsonPath - Java JsonPath implementation
• gogopop/CameraKit-Android - One of the hardest Android APIs made into a high level and easy to use library that solves all of your problems.
• otale/tale - 🦄 best beautiful java blog, worth a try
• klinker24/Talon-for-Twitter - 100% open source version of my popular Talon for Twitter app on Android.
• immutables/immutables - Annotation processor to create immutable objects and builders. Feels like Guava's immutable collections but for regular value objects. JSON, Jackson, Gson, JAX-RS integrations included
• raphw/byte-buddy - Runtime code generation for the Java virtual machine.
• notnoop/java-apns - Java Apple Push Notification Service Provider
• OpenGrok/OpenGrok - Main {OpenGrok git repository
• Yalantis/StarWars.Android - This component implements transition animation to crumble view into tiny pieces.
• Athou/commafeed - Google Reader inspired self-hosted RSS reader.
• redsolution/xabber-android - Open-source XMPP client for Android
• Yalantis/Taurus - A little more fun for the pull-to-refresh interaction.
• Yalantis/Horizon - Horizon - Simple visual equaliser for Android
• ronmamo/reflections - Java runtime metadata analysis
• nutzam/nutz - Nutz -- Web Framework(Mvc/Ioc/Aop/Dao/Json) for ALL Java developer
• jMonkeyEngine/jmonkeyengine - A complete 3D game development suite written purely in Java.
• r0adkll/Slidr - Easily add slide to dismiss functionality to an Activity
• killbill/killbill - Open-Source Subscription Billing & Payment Platform
• amitshekhariitbhu/RxJava2-Android-Samples - RxJava 2 Android Examples - Migration From RxJava 1 to RxJava 2 - How to use RxJava 2 in Android
• mmin18/FlexLayout - A powerful Android layout view that use java expression in layout params to describe relative positions.
• square/sqldelight - Generates Java models from CREATE TABLE statements.
• VerbalExpressions/JavaVerbalExpressions - Java regular expressions made easy.
• airbnb/AirMapView - A view abstraction to provide a map user interface with various underlying map providers
• b3log/symphony - 🎶 A modern community (forum/BBS/SNS/blog) platform written in Java. 一个用 Java 实现的现代化社区（论坛/社交网络/博客）平台。
• eclipse/jetty.project - Eclipse Jetty® - Web Container & Clients - supports HTTP/2, HTTP/1.1, HTTP/1.0, websocket, servlets, and more
• igniterealtime/Smack - A highly modular and portable open source XMPP client library written in Java for JVMs (JavaSE) and Android
• VictorAlbertos/RxCache - Reactive caching library for Android and Java
• cryptomator/cryptomator - Multi-platform transparent client-side encryption of your files in the cloud
• Ramotion/paper-onboarding-android - PaperOnboarding is a material design slider
• twosigma/beakerx - Beaker Extensions for Jupyter
• querydsl/querydsl - Unified Queries for Java
• majidgolshadi/Android-Download-Manager-Pro - Android/Java download manager library help you to download files in parallel mechanism in some chunks.
• hs-web/hsweb-framework - hsweb 是一个用于快速搭建企业后台管理系统的基础项目,集成一揽子便捷功能如:通用增删改查，在线代码生成，权限管理(可控制到列和行)，动态多数据源分布式事务，动态脚本，动态定时任务，在线数据库维护等等. 基于 spring-boot,mybaits
• CrawlScript/WebCollector - WebCollector is an open source web crawler framework based on Java.It provides some simple interfaces for crawling the Web,you can setup a multi-threaded web crawler in less than 5 minutes.
• jitsi/jitsi - Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, AIM/ICQ, IRC and many other useful features.
• timusus/Shuttle - Shuttle Music Player
• zeromq/jeromq - Pure Java ZeroMQ
• phishman3579/java-algorithms-implementation - Algorithms and Data Structures implemented in Java
• cglib/cglib - cglib - Byte Code Generation Library is high level API to generate and transform Java byte code. It is used by AOP, testing, data access frameworks to generate dynamic proxy objects and intercept field access.
• hidroh/materialistic - A material-design Hacker News Android reader
• gitblit/gitblit - pure java git solution
• powermock/powermock - PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.
• Yalantis/pull-to-make-soup - Custom animated pull-to-refresh that can be easily added to RecyclerView
• tdebatty/java-string-similarity - Implementation of various string similarity and distance algorithms: Levenshtein, Jaro-winkler, n-Gram, Q-Gram, Jaccard index, Longest Common Subsequence edit distance, cosine similarity ...
• google/jimfs - An in-memory file system for Java 7+
• UweTrottmann/SeriesGuide - Keep track of your favorite TV shows and movies on your Android devices.
• igniterealtime/Openfire - A XMPP server licensed under the Open Source Apache License.
• graphhopper/graphhopper - An open source routing library and server using OpenStreetMap. #route #planner
• qdrzwd/VideoRecorder - android视频录制，模仿微视，支持按下录制、抬起暂停。进度条断点显示。
• kabouzeid/Phonograph - A material designed music player for Android
• j256/ormlite-android - ORMLite Android functionality used in conjunction with ormlite-core
• Instagram/ig-json-parser - Fast JSON parser for java projects
• sirthias/pegdown - A pure-Java Markdown processor based on a parboiled PEG parser supporting a number of extensions
• Mashape/unirest-java - Unirest in Java: Simplified, lightweight HTTP client library.
• heinrichreimer/material-intro - A simple material design app intro with cool animations and a fluent API.
• klinker24/Android-TextView-LinkBuilder - Insanely easy way to define clickable links within a TextView.
• jOOQ/jOOR - jOOR - Fluent Reflection in Java jOOR is a very simple fluent API that gives access to your Java Class structures in a more intuitive way. The JDK's reflection APIs are hard and verbose to use. Other languages have much simpler constructs to access type meta information at runtime. Let us make Java reflection better.
• mongodb/morphia - MongoDB object-document mapper in Java based on https://github.com/mongodb/mongo-java-driver
• mixi-inc/AndroidTraining - Training course repository for android app development
• bitcoinj/bitcoinj - A library for working with Bitcoin
• Froussios/Intro-To-RxJava - An extensive tutorial on RxJava
• albertlatacz/java-repl - Read Eval Print Loop for Java
• Grover-c13/PokeGOAPI-Java - Pokemon Go API
• Red5/red5-server - Red5 Server core
• spullara/mustache.java - Implementation of mustache.js for Java
• Yalantis/ToDoList - Micro-Transitions for Smooth Android To-Do List Animations
• hamcrest/JavaHamcrest - Java (and original) version of Hamcrest
• eschao/android-PageFlip - 3D Style Page Flip on Android
• AdoptOpenJDK/jitwatch - Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.
• graphql-java/graphql-java - GraphQL Java implementation
• orbit/orbit - Orbit - Virtual actor framework for building distributed systems
• OryxProject/oryx - Oryx 2: Lambda architecture on Apache Spark, Apache Kafka for real-time large scale machine learning
• real-logic/simple-binary-encoding - Simple Binary Encoding (SBE) - High Performance Message Codec
• qiujuer/ImageBlurring - Android blurring image(bitmap) by java and jni.
• peter-lawrey/Java-Chronicle - Java Indexed Record Chronicle
• pcpratts/rootbeer1 - Rootbeer GPU Compiler - Java GPU Programming
• OpenHFT/Chronicle-Queue - Micro second messaging that stores everything to disk
• iSoron/uhabits - Simple habit tracker for Android
• ivan-vasilev/neuralnetworks - java deep learning algorithms and deep neural networks with gpu acceleration
• jberkel/sms-backup-plus - Backup Android SMS, MMS and call log to Gmail / Gcal / IMAP
• blipinsk/RecyclerViewHeader - Super fast and easy way to create header for Android RecyclerView
• javaparser/javaparser - Java 9 Parser and Abstract Syntax Tree for Java –
• survivingwithandroid/Surviving-with-android - Source code related to the posts in the blog
• Muddz/StyleableToast - A library that takes the standard Android toast to the next level with a variety of styling options. Style your toast either from code or styles.xml
• brianway/webporter - 基于 webmagic 的 Java 爬虫应用
• JonathanLink/PDFLayoutTextStripper - Converts a pdf file into a text file while keeping the layout of the original pdf. Useful to extract the content from a table in a pdf file for instance. This is a subclass of PDFTextStripper class (from the Apache PDFBox library).
• siriscac/RippleView - View that imitates Ripple Effect on click which was introduced in Android L (for Android 2.3+)
• kairosdb/kairosdb - Fast scalable time series database
• bravoborja/ReadMoreTextView - A Custom TextView with trim text
• steelkiwi/cropiwa - 📐 Configurable Custom Crop widget for Android
• EsotericSoftware/kryonet - TCP/UDP client/server library for Java, based on Kryo
• WritingMinds/ffmpeg-android-java - Android java library for FFmpeg binary compiled using https://github.com/writingminds/ffmpeg-android
• spotify/apollo - Java libraries for writing composable microservices
• galenframework/galen - Layout and functional testing framework for websites
• puniverse/capsule - Dead-Simple Packaging and Deployment for JVM Apps
• jingle1267/android-utils - It contains most of the Android utility classes.
• btraceio/btrace - BTrace - a safe, dynamic tracing tool for the Java platform
• jamesdbloom/mockserver - MockServer enables easy mocking of any system you integrate with via HTTP or HTTPS with clients written in Java, JavaScript and Ruby. MockServer also includes a proxy that introspects all proxied traffic including encrypted SSL traffic and supports Port Forwarding, Web Proxying (i.e. HTTP proxy), HTTPS Tunneling Proxying (using HTTP CONNECT) and SOCKS Proxying (i.e. dynamic port forwarding).
• Dreampie/Resty - The minimalist framework of RESTful(server and client) - Resty
• vaadin/framework - Vaadin is a Java framework for building modern web applications that look great, perform well and make you and your users happy.
• deeplearning4j/nd4j - Fast, Scientific and Numerical Computing for the JVM (NDArrays)
• greenrobot/essentials - General purpose utilities and hash functions for Android and Java (aka java-common)
• spring-cloud/spring-cloud-netflix - Integration with Netflix OSS components
• sirthias/parboiled - Elegant parsing in Java and Scala - lightweight, easy-to-use, powerful.
• junit-team/junit5 - The next generation of JUnit.
• google/truth - Assertion/Proposition framework for Java unit tests
• jdeferred/jdeferred - Java Deferred/Promise library similar to JQuery.
• jOOQ/jOOL - jOOλ - The Missing Parts in Java 8 jOOλ improves the JDK libraries in areas where the Expert Group's focus was elsewhere. It adds tuple support, function support, and a lot of additional functionality around sequential Streams. The JDK 8's main efforts (default methods, lambdas, and the Stream API) were focused around maintaining backwards compatibility and implementing a functional API for parallelism.
• wangjiegulu/WheelView - Android滚动选择控件
• shekhargulati/strman-java - A Java 8 string manipulation library.
• jboss-javassist/javassist - Java bytecode engineering toolkit
• shekhargulati/java8-the-missing-tutorial - Java 8 for all of us
• sk89q/WorldEdit - An in-game voxel map editor for Minecraft
• aNNiMON/Lightweight-Stream-API - Stream API from Java 8 rewritten on iterators for Java 7 and below
• qos-ch/logback - The reliable, generic, fast and flexible logging framework for Java.
• zserge/anvil - Minimal UI library for Android inspired by React
• stagemonitor/stagemonitor - an open source solution to application performance monitoring for java server applications
• BuildCraft/BuildCraft - BuildCraft
• Ramotion/expanding-collection-android - ExpandingCollection is a card peek/pop controller
• oldmanpushcart/greys-anatomy - Java诊断工具
• federicoiosue/Omni-Notes - Open source note-taking application for Android
• speedment/speedment - Speedment is a Stream ORM Java Toolkit and Runtime
• sannies/mp4parser - A Java API to read, write and create MP4 files
• FolioReader/FolioReader-Android - A Java ePub reader and parser framework for Android.
• Netflix/astyanax - Cassandra Java Client
• SundeepK/CompactCalendarView - An android library which provides a compact calendar view much like the one used in google calenders.
• promeG/TinyPinyin - 适用于Java和Android的快速、低内存占用的汉字转拼音库。
• crossbario/autobahn-android - WebSocket & WAMP in Java for Android
• functionaljava/functionaljava - Functional programming in Java
• tananaev/traccar - Traccar GPS Tracking System
• auth0/java-jwt - Java implementation of JSON Web Token (JWT)
• sarxos/webcam-capture - The goal of this project is to allow integrated or USB-connected webcams access directly from Java. Using provided libraries users are able to read camera images and detect motion. Main project consist of several sub projects - the root one, which contains required classes, build-in webcam driver compatible with Windows, Linux and Mac OS, which can stream images as fast as your camera can serve them (up to 50 FPS). Main project can be used standalone, but user is able to replace build-in driver with different one - such as OpenIMAJ, GStreamer, V4L4j, JMF, LTI-CIVIL, FMJ, etc.
• thymeleaf/thymeleaf - Thymeleaf is a modern server-side Java template engine for both web and standalone environments.
• mpusher/mpush - MPush开源实时消息推送系统
• bravoborja/FocusResize - A custom animation with scroll listener to recycler views
• rapidoid/rapidoid - Rapidoid - Extremely Fast, Simple and Powerful Java Web Framework and HTTP Server!
• Gottox/socket.io-java-client - Socket.IO Client Implementation in Java
• SpongePowered/SpongeForge - A Forge mod that implements SpongeAPI
• guoguibing/librec - LibRec: A Leading Java Library for Recommender Systems, see
• FreeTymeKiyan/LeetCode-Sol-Res - Clean, Understandable Solutions and Resources for LeetCode Online Judge Algorithms Problems.
• THEONE10211024/RxJavaSamples - 收集了RxJava常见的使用场景，例子简洁、经典、易懂...
• ankidroid/Anki-Android - AnkiDroid: Anki on Android
• scouter-project/scouter - Scouter is an open source APM and an open source profiler for java application like web applications on a tomcat .
• hierynomus/sshj - ssh, scp and sftp for java
• SpongePowered/SpongeAPI - A Minecraft plugin API
• stuxuhai/jpinyin - JPinyin是一个汉字转拼音的Java开源类库
• joel-costigliola/assertj-core - AssertJ is a library providing easy to use rich typed assertions
• microg/android_packages_apps_GmsCore - Implementation of Play Services Core package
• jiang111/RxJavaApp - 学习RxJava操作符的APP,新增线程调度说明
• spring-projects/spring-data-jpa - Simplifies the development of creating a JPA-based data access layer.
• frohoff/ysoserial - A proof-of-concept tool for generating payloads that exploit unsafe Java object deserialization.
• datumbox/datumbox-framework - Datumbox is an open-source Machine Learning framework written in Java which allows the rapid development of Machine Learning and Statistical applications.
• cbeust/jcommander - Command line parsing framework for Java
• pac4j/pac4j - Security engine for Java (authentication, authorization, multi frameworks): OAuth, CAS, SAML, OpenID Connect, LDAP, JWT...
• ajermakovics/jvm-mon - Console-based JVM monitoring
• javamelody/javamelody - JavaMelody : monitoring of JavaEE applications
• dieforfree/qart4j - QR code ASCII art for java
• timmolter/XChange - XChange is a Java library providing a streamlined API for interacting with 50+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.
• DozerMapper/dozer - Dozer is a Java Bean to Java Bean mapper that recursively copies data from one object to another.
• cbeust/testng - TestNG testing framework
• connectbot/connectbot - ConnectBot is the first SSH client for Android.
• anthonycr/Lightning-Browser - A speedy, lightweight browser with modern navigation
• flyingsaucerproject/flyingsaucer - XML/XHTML and CSS 2.1 renderer in pure Java
• menacher/java-game-server - Jetserver is a high speed nio socket based multiplayer java game server written using Netty and Mike Rettig's Jetlang.It is specifically tuned for network based multiplayer games and supports TCP and UDP network protocols.
• eBay/restcommander - Fast Parallel Async HTTP client as a Service to monitor and manage 10,000 web servers. (Java+Akka)
• kilim/kilim - Lightweight threads for Java, with message passing, nio, http and scheduling support.
• jknack/handlebars.java - Logic-less and semantic Mustache templates with Java
• dcevm/dcevm - Dynamic Code Evolution VM for Java 7/8
• jdbi/jdbi - jDBI is designed to provide convenient tabular data access in Java(tm). It uses the Java collections framework for query results, provides a convenient means of externalizing sql statements, and provides named parameter support for any database being used.
• geoserver/geoserver - Official GeoServer repository
• bootique/bootique - Bootique is a minimally opinionated platform for modern runnable Java apps.
• searchbox-io/Jest - Elasticsearch Java Rest Client.
• yingLanNull/ShadowImageView - 可以根据图片内容变阴影颜色，更加细腻的阴影效果 It can change color according to the picture, more delicate shadow effect
• litesuits/android-lite-http - LiteHttp is a simple, intelligent and flexible HTTP framework for Android. With LiteHttp you can make HTTP request with only one line of code! It could convert a java model to the parameter and rander the response JSON as a java model intelligently.
• joscha/play-authenticate - An authentication plugin for Play Framework 2.x (Java)
• bufferapp/BufferTextInputLayout - A simple customised version of the TextInputLayout from the Android Design Support Library
• asLody/legend - A framework for hook java methods.
• real-logic/Agrona - High Performance data structures and utility methods for Java
• datastax/java-driver - DataStax Java Driver for Apache Cassandra
• biezhi/wechat-robot - 🌏 wechat robot by java application
• bitcoin-wallet/bitcoin-wallet - Bitcoin Wallet app for your Android device. Standalone Bitcoin node, no centralized backend required.
• GoogleCloudPlatform/DataflowJavaSDK - Google Cloud Dataflow provides a simple, powerful model for building both batch and streaming parallel data processing pipelines.
• good-life/PushTalk - 推聊是一个基于极光推送 (JPush) 的手机聊天系统。支持群聊与点对点聊天。当前包括 Android客户端、iOS客户端与 Java服务器端。3分钟就可以整套系统跑起来。
• awaitility/awaitility - Awaitility is a small Java DSL for synchronizing asynchronous operations
• netgloo/spring-boot-samples - Spring Boot samples by Netgloo
• rkalla/imgscalr - Simple Java image-scaling library implementing Chris Campbell's incremental scaling algorithm as well as Java2D's "best-practices" image-scaling techniques.
• JSQLParser/JSqlParser - JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern
• line/armeria - Asynchronous RPC/API client/server library built on top of Java 8, Netty 4.1, HTTP/2, and Thrift
• RuedigerMoeller/fast-serialization - FST: fast java serialization drop in-replacement http://ruedigermoeller.github.io/fast-serialization/
• ocpsoft/prettytime - Social Style Date and Time Formatting for Java
• spring-projects/spring-batch - Spring Batch is a framework for writing offline and batch applications using Spring and Java
• webbit/webbit - A Java event based WebSocket and HTTP server
• mpetazzoni/ttorrent - Turn's BitTorrent Java library (tracker and client)
• nginx-clojure/nginx-clojure - Nginx module for embedding Clojure or Java or Groovy programs, typically those Ring based handlers.
• coobird/thumbnailator - Thumbnailator - a thumbnail generation library for Java
• HotswapProjects/HotswapAgent - Java unlimited redefinition of classes at runtime.
• dain/leveldb - Port of LevelDB to Java
• aol/micro-server - Microserver is a Java 8 native, zero configuration, standards based, battle hardened library to run Java Rest Microservices via a standard Java main class. Supporting pure Microservice or Micro-monolith styles.
• caoxinyu/RedisClient - Java Redis Client GUI Tool
• atomix/atomix - Wait-free distributed data-structure/coordination framework for building fault tolerant distributed systems on the Raft consensus algorithm
• qos-ch/slf4j - Simple Logging Facade for Java
• jacoco/jacoco - 🔬 JaCoCo - Java Code Coverage Library
• docker-java/docker-java - Java Docker API Client
• huggsboson/json-schema-validator - A JSON Schema validation implementation in pure Java, which aims for correctness and performance, in that order
• AxonFramework/AxonFramework - High Performance and Scalability framework for Java
• msgpack/msgpack-java - MessagePack serializer implementation for Java / msgpack.org[Java]
• mendhak/gpslogger - 📡 Lightweight GPS Logging Application For Android. Available on the Android Market as "GPSLogger for Android"
• inloop/AndroidViewModel - Separating data and state handling from Fragments or Activities without lots of boilerplate-code.
• pzxwhc/MineKnowContainer - 个人知识小仓库
• alibaba/taokeeper - ZooKeeper-Monitor, a monitor for zookeeper in java. Download https://github.com/alibaba/taokeeper/downloads
• flipkart-incubator/proteus - Proteus : A JSON based LayoutInflater for Android
• Pi4J/pi4j - Java I/O library for Raspberry Pi (GPIO, I2C, SPI, UART)
• marytts/marytts - MARY TTS -- an open-source, multilingual text-to-speech synthesis system written in pure java
• h2database/h2database - H2 is an embeddable RDBMS written in Java.
• mcxiaoke/Android-Next - Android Next 公共组件库
• cmusphinx/sphinx4 - Pure Java speech recognition library
• syncthing/syncthing-android - Wrapper of syncthing for Android.
• ysc/QuestionAnsweringSystem - QuestionAnsweringSystem是一个Java实现的人机问答系统，能够自动分析问题并给出候选答案。
• volders/Badger - A badge for any drawable
• fesh0r/fernflower - Unofficial mirror of FernFlower Java decompiler (All pulls should be submitted upstream)
• twitter/hbc - A Java HTTP client for consuming Twitter's Streaming API
• plutext/docx4j - JAXB-based Java library for Word docx, Powerpoint pptx, and Excel xlsx files
• mapstruct/mapstruct - An annotation processor for generating type-safe bean mappers
• linkedin/PalDB - An embeddable write-once key-value store written in Java
• JeffLi1993/java-core-learning-example - 关于Java核心技术学习积累的例子，是初学者及核心技术巩固的最佳实践。
• spring-projects/spring-data-mongodb - Provide support to increase developer productivity in Java when using MongoDB. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.
• aimacode/aima-java - Java implementation of algorithms from Russell And Norvig's "Artificial Intelligence - A Modern Approach"
• crashub/crash - The shell for the Java Platform
• h4de5ing/AndroidCommon - 基于Android系统Api封装常用工具类
• Sable/soot - Soot - A Java optimization framework
• liyiorg/weixin-popular - 微信SDK JAVA (公众平台、开放平台、 商户平台、 服务商平台)
• facebook/swift - An annotation-based Java library for creating Thrift serializable types and services.
• deathmarine/Luyten - An Open Source Java Decompiler Gui for Procyon
• youxin11544/MVP-RxJava-Hybride - This is an Android MVP model good architecture design，Which also inherited the Android architecture and HTML 5 interaction。（这是一个Android MVP模型良好的架构设计,同时也做了Android和HTML 5交互架构，用到了RxJava+Retrofit+MVP+泛型缩减mvp+模板模式+命令模式+观察者模式+管理者模式 +简单工厂模式）
• ysc/word - Java分布式中文分词组件 - word分词
• square/haha - Java library to automate the analysis of Android heap dumps.
• Netflix/genie - Distributed Big Data Orchestration Service
• openzipkin/brave - Java distributed tracing implementation compatible with Zipkin backend services.
• Yalantis/CameraModule - Simple camera module for android applications
• ramswaroop/jbot - Make Slack, Facebook and Twitter Bots in Java in minutes.
• linkedin/parseq - Asynchronous Java made easier
• KronicDeth/intellij-elixir - Elixir plugin for JetBrain's IntelliJ Platform (including Rubymine)
• zhanglei-workspace/shopping-management-system - 该项目为多个小项目的集合（持续更新中...）。内容类似淘宝、京东等网购管理系统以及图书管理、超市管理等系统。目的在于便于Java初级爱好者在学习完某一部分Java知识后有一个合适的项目锻炼、运用所学知识，完善知识体系。适用人群：Java基础到入门的爱好者。
• leventov/Koloboke - Java Collections till the last breadcrumb of memory and performance
• kiegroup/optaplanner - Java Constraint Solver to solve vehicle routing, employee rostering and other planning problems.
• bennidi/mbassador - A feature-rich Java event bus optimized for high-throughput in multi-threaded environments. Annotation driven, sync/async event publication, weak/strong references, dynamic event filtering
• json-iterator/java - jsoniter (json-iterator) is fast and flexible JSON parser available in Java and Go
• fusesource/mqtt-client - A Java MQTT Client
• kenglxn/QRGen - a simple QRCode generation api for java built on top ZXING
• zeapo/Android-Password-Store - Android application compatible with ZX2C4's Pass command line application
• amznlabs/ion-java - Java streaming parser/serializer for Ion.
• googlemaps/google-maps-services-java - Java client library for Google Maps API Web Services
• eclipsesource/J2V8 - Java Bindings for V8
• lettuce-io/lettuce-core - Advanced Redis client for thread-safe sync, async, and reactive usage. Supports Cluster, Sentinel, Pipelining, and codecs.
• JorenSix/TarsosDSP - A Real-Time Audio Processing Framework in Java
• asciidocfx/AsciidocFX - Asciidoc Editor and Toolchain written with JavaFX 8 (Build PDF, Epub, Mobi and HTML books, documents and slides)
• fayder/restcountries - Get information about countries via a RESTful API
• drewnoakes/metadata-extractor - Extracts Exif, IPTC, XMP, ICC and other metadata from image files
• sword-org/wechat4j - wechat4j is wechat(weixin) develop framework for java 微信开发框架JAVA版，最简单易用微信开发框架
• blipinsk/FlippableStackView - An Android library introducing a stack of Views with the first item being flippable.
• google/google-http-java-client - Google HTTP Client Library for Java
• relayrides/pushy - A Java library for sending APNs (iOS/OS X/Safari) push notifications
• gwhalin/Memcached-Java-Client - Information about this project lives on the wiki
• xtuhcy/gecco - Easy to use lightweight web crawler（易用的轻量化网络爬虫）
• nicoulaj/idea-markdown - Markdown language support for IntelliJ IDEA (abandonned).
• Krupen/AutoplayVideos - Android library to auto-play/pause videos from url in recyclerview.
• write2munish/Akka-Essentials - Java/Scala Examples from the book - Akka Essentials
• webx/citrus - Java-based Web Framework for Alibaba Group
• codinguser/gnucash-android - Gnucash for Android mobile companion application.
• jfaster/mango - Distributed ORM Framework for Java
• amaembo/streamex - Enhancing Java 8 Streams
• google/FreeBuilder - Automatic generation of the Builder pattern for Java 1.6+
• vinaygaba/CreditCardView - CreditCardView is an Android library that allows developers to create the UI which replicates an actual Credit Card.
• spring-projects/spring-data-book - Spring Data - The Definitive Guide - Modern Data Access for Enterprise Java Developers
• decebals/pippo - Micro Java Web Framework
• lenskit/lenskit - LensKit recommender toolkit.
• liyifeng1994/ssm - 手把手教你整合最优雅SSM框架：SpringMVC + Spring + MyBatis
• blynkkk/blynk-server - Platform with iOs and Android apps to control Arduino, ESP8266, Raspberry Pi and similar microcontroller boards over the Internet.
• afollestad/ason - JSON in Java made easy! Catch less exceptions, serialize/deserialize with ease, plus some other useful tricks and conveniences!
• anupcowkur/Reservoir - Android library to easily serialize and cache your objects to disk using key/value pairs.
• aol/cyclops-react - An advanced, but easy to use, platform for writing functional applications in Java 8
• shopizer-ecommerce/shopizer - Shopizer java e-commerce software
• fabric8io/docker-maven-plugin - Maven plugin for running and creating Docker images
• openhab/openhab2-addons - Add-ons for openHAB 2.x
• andsel/moquette - Java MQTT lightweight broker
• michelelacorte/SwipeableCard - A simple implementation of swipe card like StreetView
• ufo22940268/android-justifiedtextview - android justified textview
• 4thline/cling - UPnP/DLNA library for Java and Android
• spotify/docker-client - A simple docker client for the JVM
• mcxiaoke/minicat - 蘑菇饭App（已停止更新）
• JustinSDK/JavaSE6Tutorial - Java SE 6 技術手冊
• jbake-org/jbake - Java based open source static site/blog generator for developers & designers.
• FluentLenium/FluentLenium - FluentLenium helps you writing readable, reusable, reliable and resilient UI functional tests for the browser.
• google/google-api-java-client - Google APIs Client Library for Java
• gitskarios/Gitskarios - GitHub Android application
• bytedeco/javacpp-presets - The missing bridge between Java and native C++ libraries
• jaredsburrows/android-gradle-java-app-template - Gradle + Android Studio + Robolectric + Espresso + Mockito + EasyMock/PowerMock + JaCoCo
• protostuff/protostuff - Java serialization library, proto compiler, code generator
• polyak01/IconSwitch - 🍭 Custom Android Switch widget
• methusalah/OpenRTS - Real-Time Strategy game 3D engine coded in java 7
• lwhite1/tablesaw - The simplest way to slice data in Java
• advantageous/qbit - The Java microservice lib. QBit is a reactive programming lib for building microservices - JSON, HTTP, WebSocket, and REST. QBit uses reactive programming to build elastic REST, and WebSockets based cloud friendly, web services. SOA evolved for mobile and cloud. ServiceDiscovery, Health, reactive StatService, events, Java idiomatic reactive programming for Microservices.
• spring-projects/spring-roo - Spring Roo is a next-generation rapid application development tool for Java developers. It focuses on higher productivity, stock-standard Java APIs, high usability, avoiding engineering trade-offs and facilitating easy Roo removal.
• neuland/jade4j - a jade implementation written in Java
• Haehnchen/idea-php-symfony2-plugin - PhpStorm plugin to detect ContainerInterface::get result type ... and that does many other things now :)
• RoaringBitmap/RoaringBitmap - A better compressed bitset in Java
• la-team/light-admin - [PoC] Pluggable CRUD UI library for Java web applications
• Andy671/Dachshund-Tab-Layout - Extended Android Tab Layout with animated indicators that have continuous feedback.
• airlift/airline - Java annotation-based framework for parsing Git like command line structures
• spotify/heroic - The Heroic Time Series Database
• changmingxie/tcc-transaction - tcc-transaction是TCC型事务java实现
• codenameone/CodenameOne - Write once run anywhere native mobile apps using a subset of Java 8 supports iPhone (iOS), Android, Windows (UWP) and others
• heinrichreimer/material-drawer - Custom drawer implementation for Material design apps.
• huaban/jieba-analysis - 结巴分词(java版)
• restlet/restlet-framework-java - Leading REST API framework for Java
• pires/android-obd-reader - Android OBD-II Reader application that uses pure OBD-II PID's Java API.
• vickychijwani/quill - 📝 The beautiful Android app for your Ghost blog.
• Sixt/ja-micro - Lightweight framework for building java microservices
• UniversalMediaServer/UniversalMediaServer - A DLNA-compliant UPnP Media Server.
• mabe02/lanterna - Java library for creating text-based GUIs
• spring-projects/spring-data-redis - Provides support to increase developer productivity in Java when using Redis, a key-value store. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.
• killme2008/xmemcached - High performance, easy to use multithreaded memcached client in java.
• mpatric/mp3agic - A java library for reading mp3 files and reading / manipulating the ID3 tags (ID3v1 and ID3v2.2 through ID3v2.4).
• patric-r/jvmtop - Java monitoring for the command-line, profiler included
• eBay/parallec - Fast Parallel Async HTTP/SSH/TCP/UDP/Ping Client Java Library. Aggregate 100,000 APIs & send anywhere in 20 lines of code. Ping/HTTP Calls 8000 servers in 12 seconds. (Akka) www.parallec.io
• MachinePublishers/jBrowserDriver - A programmable, embeddable web browser driver compatible with the Selenium WebDriver spec -- headless, WebKit-based, pure Java
• mttkay/signpost - A light-weight client-side OAuth library for Java
• TakahikoKawasaki/nv-websocket-client - High-quality WebSocket client implementation in Java.
• JabRef/jabref - Graphical Java application for managing BibTeX and BibLaTeX (.bib) databases
• haraldk/TwelveMonkeys - TwelveMonkeys ImageIO: Additional plug-ins and extensions for Java's ImageIO
• vmihalachi/turbo-editor - Simple and powerful File Editor for Android. All is licensed under the GPLv3 license.
• Manabu-GT/EtsyBlur - EtsyBlur is an Android library that allows developers to easily add a glass-like blur effect implemented in the Etsy app.
• tizionario/AndroidDrawableFactory - A Java Application to create appropriate Drawable resources for your Android application
• square/pollexor - Java client for the Thumbor image service which allows you to build URIs in an expressive fashion using a fluent API.
• sd4324530/fastweixin - 极其方便的实现微信公众平台服务端开发，2行代码完成服务器绑定，3行代码实现用户消息监听
• jclouds/legacy-jclouds - jclouds is an open source library that helps you get started in the cloud and reuse your java development skills. Our api allows you to freedom to use portable abstractions or cloud-specific features. We support many clouds including Amazon, VMWare, Azure, and Rackspace.
• zeromq/jzmq - Java binding for ZeroMQ
• stealthcopter/AndroidNetworkTools - Set of useful android network tools
• davidmoten/rxjava-jdbc - Efficient execution and functional composition of database calls using jdbc and rx-java Observables
• hcoles/pitest - State of the art mutation testing system for the JVM
• ethereum/ethereumj - Java implementation of the Ethereum yellowpaper
• pentaho/mondrian - Mondrian is an Online Analytical Processing (OLAP) server that enables business users to analyze large quantities of data in real-time.
• itext/itextpdf - Core Java Library + PDF/A, xtra and XML Worker
• hekailiang/squirrel - squirrel-foundation is a State Machine library, which provided a lightweight, easy use, type safe and programmable state machine implementation for Java.
• codeborne/selenide - Concise UI Tests with Java!
• google/re2j - linear time regular expression matching in Java
• guardianproject/android-ffmpeg-java - Android Java wrapper around ffmpeg command line binary
• davidmoten/rtree - Immutable in-memory R-tree and R*-tree implementations in Java with reactive api
• vdurmont/emoji-java - The missing emoji library for Java ❤️
• EsotericSoftware/reflectasm - High performance Java reflection
• florent37/AwesomeBar - Just beautiful
• brianway/java-learning - 旨在打造在线最佳的 Java 学习笔记，含博客讲解和源码实例，包括 Java SE 和 Java Web
• decebals/pf4j - Plugin Framework for Java (PF4J)
• bugsnag/bugsnag-android - Bugsnag crash reporting for Android apps
• mgarin/weblaf - WebLaF - Java Look and Feel library for cross-platform Swing applications
• eclipse/smarthome - Eclipse SmartHome™ project
• rubenlagus/TelegramBots - Java library to create bots using Telegram Bots API
• spring-cloud/spring-cloud-config - External configuration (server and client) for Spring Cloud
• wikimedia/apps-android-wikipedia - The official Wikipedia Android app. This is a mirror from https://gerrit.wikimedia.org.
• mitreid-connect/OpenID-Connect-Java-Spring-Server - An OpenID Connect reference implementation in Java on the Spring platform.
• julian-klode/dns66 - DNS-based Host Blocker for Android
• ps3mediaserver/ps3mediaserver - PS3 Media Server is a cross-platform DLNA-compliant UPnP Media Server. Originally written to support the PlayStation 3, PS3 Media Server has been expanded to support a range of other media renderers, including smartphones, televisions, music players and more.
• MyCollab/mycollab - An open source, free, high performance, stable and secure Java Application Business Platform of Project Management, CRM and Document
• PebbleTemplates/pebble - Java Template Engine
• javalite/activejdbc - ActiveJDBC is a fast and lean Java ORM
• RichardWarburton/java-8-lambdas-exercises - Exercises and Answers for Java 8 Lambdas book
• boonproject/boon - Simple opinionated Java for the novice to expert level Java Programmer. Low Ceremony. High Productivity.
• npgall/cqengine - Ultra-fast SQL-like queries on Java collections
• WhisperSystems/libsignal-protocol-java - Signal Protocol library for Java/Android
• restfb/restfb - RestFB is a simple and flexible Facebook Graph API client written in Java.
• paoding-code/paoding-rose - paoding-rose 提供最好用的Java Web应用整体性框架。
• matyb/java-koans - A framework and lessons to learn java syntax and idioms in a logical sequence.
• wwadge/bonecp - BoneCP is a Java JDBC connection pool implementation that is tuned for high performance by minimizing lock contention to give greater throughput for your applications. It beats older connection pools such as C3P0 and DBCP but SHOULD NOW BE CONSIDERED DEPRECATED in favour of HikariCP.
• Wolfsblvt/BlossomsPokemonGoManager - BlossomsPokemonGoManager is a tool for easy managing of your Pokémon Go game. Visit us at our Discord server to talk:
• jooby-project/jooby - Scalable, fast and modular micro web framework for Java
• mahmoudparsian/data-algorithms-book - MapReduce, Spark, Java, and Scala for Data Algorithms Book
• tony19/logback-android - The reliable, generic, fast and flexible logging framework for Java on Android.
• dewarder/HoldingButton - Button which is visible while user holds it. Main use case is controlling audio recording state (like in Telegram, Viber, VK).
• codechimp-org/AppRater - AppRater Library for Android
• magefree/mage - Magic Another Game Engine
• winder/Universal-G-Code-Sender - A Java based GRBL compatible cross-platform G-Code sender.
• chiragjain/Emoticons-Keyboard - A custom keyboard for emoticons for android chatting application
• OfficeDev/ews-java-api - A java client library to access Exchange web services. The API works against Office 365 Exchange Online as well as on premises Exchange.
• allwefantasy/ServiceFramework - Java MVC framework, agile, fast, rich domain model, made especially for server side of mobile application (一个敏捷，快速，富领域模型的Java MVC 框架，专为 移动应用后端量身定做)
• Netflix/hollow - Hollow is a java library and toolset for disseminating in-memory datasets from a single producer to many consumers for high performance read-only access.
• infinitest/infinitest - A Continuous Test Runner for Java
• hugeterry/PloyFun - LowPoly image processing./导入图片生成Low Poly风格图片的app
• devnied/EMV-NFC-Paycard-Enrollment - A Java library used to read and extract data from NFC EMV credit cards (Android/PCSC).
• bguerout/jongo - Query in Java as in Mongo shell
• QuadFlask/colorpicker - color picker for android
• libgdx/ashley - A Java entity system inspired by Ash & Artemis.
• libgdx/gdx-ai - Artificial Intelligence framework for games based on libGDX or not. Features: Steering Behaviors, Formation Motion, Pathfinding, Behavior Trees and Finite State Machines
• psiegman/epublib - a java library for reading and writing epub files
• prefuse/Prefuse - Prefuse is a set of software tools for creating rich interactive data visualizations in the Java programming language. Prefuse supports a rich set of features for data modeling, visualization, and interaction. It provides optimized data structures for tables, graphs, and trees, a host of layout and visual encoding techniques, and support for animation, dynamic queries, integrated search, and database connectivity.
• dustin/java-memcached-client - A simple, asynchronous, single-threaded memcached client written in java.
• xinghongfei/Hello-RxJava - 可能是学习Rxjava最好的教程之一，另一个是《给Android开发者RxJava的详解》，这个毫无疑问。
• wsieroci/audio-recognizer - Shazam in Java
• komoot/photon - an open source geocoder for openstreetmap data
• InstantWebP2P/node-android - Run Node.js on Android by rewrite Node.js in Java
• spring-projects/spring-data-neo4j - Provides support to increase developer productivity in Java when using the neo4j graph database. Uses familiar Spring concepts such as a template classes for core API usage and provides an annotation based programming model using AspectJ
• mimno/Mallet - MALLET is a Java-based package for statistical natural language processing, document classification, clustering, topic modeling, information extraction, and other machine learning applications to text.
• mapsforge/mapsforge - Vector map library written in Java - running on Android and Desktop.
• klinker24/Android-3DTouch-PeekView - Simple and powerful library to emulate iOS's "3D Touch" preview functionality on Android.
• centic9/jgit-cookbook - Provides examples and code snippets for the JGit Java Git implementation
• bcgit/bc-java - Bouncy Castle Java Distribution (Mirror)
• palatable/lambda - Functional patterns for Java
• LWJGL/lwjgl - [LEGACY] LWJGL 2.X - The Lightweight Java Game Library.
• Netflix/denominator - Portably control DNS clouds using java or bash
• caprica/vlcj - Java framework for the vlc media player
• my2iu/Jinq - LINQ-style queries for Java 8
• mitre/HTTP-Proxy-Servlet - Smiley's HTTP Proxy implemented as a Java servlet
• Countly/countly-sdk-android - Countly Mobile Analytics - Android SDK
• tozny/java-aes-crypto - A simple Android class for encrypting & decrypting strings, aiming to avoid the classic mistakes that most such classes suffer from.
• JackJiang2011/MobileIMSDK - 一个专为移动端开发的原创即时通讯框架，超轻量级、高度提炼，完全基于UDP协议，支持iOS、Android、标准Java平台。
• ftomassetti/effectivejava - Run queries on your Java code to check if it meets the criteria suggested by the book Effective Java. And some others.
• xerial/snappy-java - Snappy compressor/decompressor for Java
• testcontainers/testcontainers-java - TestContainers is a Java 8 library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
• afollestad/bridge - A simple but powerful HTTP networking library for Java. It features a Fluent chainable API, powered by Java URLConnection classes for maximum compatibility and speed.
• alibaba/transmittable-thread-local - 🐙 A simple 0-dependency java lib for transmitting ThreadLocal value between threads even using thread pool.
• larsga/Duke - Duke is a fast and flexible deduplication engine written in Java
• fookwood/Launcher3 - 更改官方的Launcher3使得可以在Android Studio编译
• samskivert/jmustache - A Java implementation of the Mustache templating language.
• graphhopper/jsprit - jsprit is a java based, open source toolkit for solving rich vehicle routing problems
• konsoletyper/teavm - Compiler of Java bytecode to JavaScript
• foxinmy/weixin4j - (微信开发工具包)weixin sdk for java
• DiUS/java-faker - Brings the popular ruby faker gem to Java
• tomoya92/pybbs - Better use of the Java community (Forum)
• cincheo/jsweet - A Java to JavaScript transpiler.
• pholser/junit-quickcheck - Property-based testing, JUnit-style
• bazaarvoice/jolt - JSON to JSON transformation library written in Java.
• ralfstx/minimal-json - A fast and small JSON parser and writer for Java
• inaka/galgo - When you want your logs to be displayed on screen
• googlesamples/tango-examples-java - Example projects for Project Tango Java API
• square/gifencoder - A pure Java library implementing the GIF89a specification. Suitable for use on Android.
• ddf/Minim - A Java audio library, designed to be used with Processing.
• jnr/jnr-ffi - Java Abstracted Foreign Function Layer
• anshooarora/extentreports-java - Community version of Extent API for Java.
• psi-probe/psi-probe - Advanced manager and monitor for Apache Tomcat, forked from Lambda Probe
• kungfoo/geohash-java - Implementation of GeoHashes in java. We try to be/stay compliant to the spec, as far as possible.
• gresrun/jesque - An implementation of Resque in Java.
• GoodieBag/Pinview - A pinview library for android. ✨
• caelum/vraptor - Simple Java Web MVC Framework
• vipshop/Saturn - The VIP's distributed job schedule platform. It supports java and shell jobs with sharding, tolerance, high availability...
• nayuki/Project-Euler-solutions - Runnable code for solving Project Euler problems in Java, Python, Mathematica, Haskell.
• restx/restx - RESTX, the lightweight Java REST framework
• find-sec-bugs/find-sec-bugs - The FindBugs plugin for security audits of Java web applications and Android applications. (Also work with Scala projects)
• andytill/erlyberly - erlang tracing for the masses
• Suleiman19/Android-Material-Design-for-pre-Lollipop - Various UI implementations, animations & effects based on Material Design compatible with pre Lollipop devices as well. (Work in progess)
• banq/jdonframework - DDD CQRS EventSourcing framework for Java
• SQiShER/java-object-diff - Library to diff and merge Java objects with ease
• AndroidDeveloperLB/AndroidJniBitmapOperations - Allows to perform various simple operations on bitmaps via JNI , while also providing some protection against OOM using the native Java environment on Android
• EasyRules/easyrules - The simple, stupid Java rules engine
• shyiko/mysql-binlog-connector-java - MySQL Binary Log connector
• fusesource/jansi - Jansi is a small java library that allows you to use ANSI escape sequences to format your console output which works even on windows.
• jbox2d/jbox2d - a 2d Java physics engine, native java port of the C++ physics engines Box2D and LiquidFun
• atlassian/commonmark-java - Java implementation of CommonMark, a specification of the Markdown format
• linkedin/URL-Detector - A Java library to detect and normalize URLs in text
• hsz/idea-gitignore - .ignore support plugin for IntelliJ IDEA
• vladmihalcea/flexy-pool - FlexyPool adds metrics and failover strategies to a given Connection Pool, allowing it to resize on demand.
• stevensouza/automon - Automon combines the power of AOP (AspectJ) with monitoring or logging tools you already use to declaratively monitor your Java code, the JDK, and 3rd party libraries.
• lukehutch/fast-classpath-scanner - Uber-fast, ultra-lightweight Java classpath scanner.
• ihsanbal/LoggingInterceptor - An OkHttp interceptor which pretty logs request and response data.
• akarnokd/RxJava2Interop - Library to convert between RxJava 1.x and 2.x reactive types.
• kwhat/jnativehook - Global keyboard and mouse listeners for Java.
• i2p/i2p.i2p - I2P is an anonymizing network, offering a simple layer that identity-sensitive applications can use to securely communicate. All data is wrapped with several layers of encryption, and the network is both distributed and dynamic, with no trusted parties. This is a mirror of the official Monotone repository.
• JackJiang2011/beautyeye - BeautyEye is a Java Swing cross-platform look and feel.
• anthonycr/Grant - Simplifying Android Permissions
• ObjectLayout/ObjectLayout - Java classes designed with optimizable object layout in mind
• locationtech/spatial4j - A Geospatial Library for Java
• FabianTerhorst/FastLayout - Generates a Java Object for your xml layout to reduce inflate time to zero
• jbellis/jamm - Java Agent for Memory Measurements
• handsomezhou/PinyinSearchLibrary - Provide data analysis methods, data matching method and so on for T9 pinyin search and Qwerty pinyin search in Java. The project demonstrates contacts search and app search on android.
• freecats/TextViewExpandableAnimation - Expandable TextView With Smooth Transition Animation
• carrotsearch/hppc - High Performance Primitive Collections for Java
• zheludkovm/LinuxJavaFixes - LinuxJavaFixes
• timmolter/XChart - XChart is a light weight Java library for plotting data.
• lukeFalsina/Grab-n-Run - Grab’n Run, a simple and effective Java Library for Android projects to secure dynamic code loading.
• sscarduzio/elasticsearch-readonlyrest-plugin - Free Elasticsearch and Kibana security plugin: super-easy Kibana multi-tenancy, Encryption, Authentication, Authorization, Auditing
• vigna/fastutil - fastutil extends the Java™ Collections Framework by providing type-specific maps, sets, lists and queues.
• CognitiveJ/cognitivej - Cognitive Image Analysis for Java
• niranjan94/show-java - An apk decompiler for android.
• udacity/ud867 - Course code repository for Gradle for Android and Java
• dboissier/mongo4idea - Mongo integration in Intellij
• nntuyen/text-decorator - Decorate your TextView easily
• kohsuke/github-api - Java API for GitHub
• jamesagnew/hapi-fhir - HAPI FHIR - Java API for HL7 FHIR Clients and Servers
• repeats/Repeat - Repeat yourself with some intelligence. This, if used correctly, can improve your productivity by 2x - 5x.
• SpoutDev/Spout - Open source, multithreaded, voxel game engine and platform, written in Java.
• camunda/camunda-bpm-platform - Flexible framework for workflow and process automation
• hrldcpr/pcollections - A Persistent Java Collections Library
• bobbylight/RSyntaxTextArea - A syntax highlighting, code folding text editor for Java Swing applications.
• oracle/visualvm - VisualVM is an All-in-One Java Troubleshooting Tool
• pubnub/java - PubNub Java-based APIs for core Java, Android
• mikiobraun/jblas - Linear Algebra for Java
• rabbitmq/rabbitmq-java-client - RabbitMQ Java client
• looly/hutool - A set of Java tools that makes it easy to code
• eventsourcing/es4j - Event capture and querying framework for Java
• android10/arrow - Arrow is Lightweight library toolbox for Java and Android Development.
• JakeWharton/flip-tables - Because pretty-printing text tables in Java should be easy.
• briandilley/jsonrpc4j - JSON-RPC for Java
• firebase/geofire-java - GeoFire for Java - Realtime location queries with Firebase
• rakam-io/rakam - 📈 An analytics platform that makes easy to create custom analytics services
• chenssy89/jutils - jutils，通用的Java工具类，主要包括基础工具类（时间、正则表达式、字符串、随机数等等），excel解析生成、word解析生成、文件操作、图片操作、敏感字、加解密等等。
• marhan/effective-java-examples - Source code to the book "Effective Java Second Edition" created by Joshua Bloch
• AsamK/signal-cli - signal-cli (formerly textsecure-cli) provides a commandline and dbus interface for WhisperSystems/libsignal-service-java
• Martin404/PayMap - Java后端实现三方支付集成支付宝（国内、国际、移动端、PC端）、微信、银联（acp、upop）、光大（网关、网页）、邮政支付
• mg6maciej/android-maps-extensions - Android Maps Extensions is a library extending capabilities of Google Maps Android API v2.
• florent37/RxRetroJsoup - A simple API-like from html website (scrapper) for Android, RxJava2 ready !
• amzn/alexa-skills-kit-java - SDK and example code for building voice-enabled skills for the Amazon Echo.
• uniVocity/univocity-parsers - uniVocity-parsers is a suite of extremely fast and reliable parsers for Java. It provides a consistent interface for handling different file formats, and a solid framework for the development of new parsers.
• martylamb/nailgun - Nailgun is a client, protocol, and server for running Java programs from the command line without incurring the JVM startup overhead.
• giltene/jHiccup - jHiccup is a non-intrusive instrumentation tool that logs and records
• tillnagel/unfolding - A library to create interactive maps and geovisualizations in Processing and Java
• stephanenicolas/toothpick - A scope tree based Dependency Injection (DI) library for Java
• j256/ormlite-core - Core ORMLite functionality that provides a lite Java ORM in conjunction with ormlite-jdbc or ormlite-android
• INRIA/spoon - Spoon is a library to analyze, transform, rewrite, transpile Java source code (incl Java 8). It parses source files to build a well-designed AST with powerful analysis and transformation API. Made at Inria with ❤️, 🍻 and ✨.
• caplogic/Mappedbus - A library for low latency IPC between multiple Java processes/JVMs. http://mappedbus.io
• lessthanoptimal/BoofCV - Fast computer vision library written entirely in Java.
• atomix/copycat - A novel implementation of the Raft consensus algorithm
• wro4j/wro4j - Free and Open Source Java project which brings together almost all the modern web tools: JsHint, CssLint, JsMin, Google Closure compressor, YUI Compressor, UglifyJs, Dojo Shrinksafe, Css Variables Support, JSON Compression, Less, Sass, CoffeeScript and much more. In the same time, the aim is to keep it as simple as possible and as extensible as possible in order to be easily adapted to application specific needs.
• RUB-NDS/TLS-Attacker - TLS-Attacker is a Java-based framework for analyzing TLS libraries. It is developed by the Ruhr University Bochum (http://nds.rub.de/) and the Hackmanit GmbH (http://hackmanit.de/).
• arun-gupta/microservices - Java EE and Microservices
• apache/isis - Apache Isis™ software is a framework for rapidly developing domain-driven apps in Java. Write your business logic in entities, domain services or view models, and the framework dynamically generates a representation of that domain model as a webapp or as a RESTful API. For prototyping or production.
• scream3r/java-simple-serial-connector - Official jSSC (Java Simple Serial Connector) repository
• OpenHFT/Java-Thread-Affinity - Java Thread Affinity library
• RaiMan/SikuliX2 - SikuliX version 2 - Java API
• Angads25/android-filepicker - Selecting directories/files made a lot easier.
• javafx-maven-plugin/javafx-maven-plugin - Maven plugin for JavaFX
• GautamGupta/Simple-Android-OCR - A simple Android OCR application that makes use of the Camera app
• twitter/cloudhopper-smpp - Efficient, scalable, and flexible Java implementation of the Short Messaging Peer to Peer Protocol (SMPP)
• joestelmach/natty - Java natural language date parser
• 0opslab/opslabJutil - Java utils
• hibernate/hibernate-validator - Hibernate Validator - Bean Validation 2.0 (JSR 380) Reference Implementation
• tg123/leetcode - leetcode Solutions.java 250 / 269 (Algorithms)
• eclipse/paho.mqtt.java - paho.mqtt.java
• aerogear/aerogear-unifiedpush-server - 🚀 AeroGear UnifiedPush Server
• TEAMMATES/teammates - This is the project website for the TEAMMATES feedback management tool for education
• inaka/TinyTask - A Tiny Task Library
• watson-developer-cloud/java-sdk - Java SDK to use the IBM Watson services. It supports Android.
• SoftInstigate/restheart - RESTHeart, the REST API Server for MongoDB
• HabitRPG/habitica-android - Native Android
• jmrapp1/TerraLegion - A clone of the popular game, Terraria. Developed using Java and the LibGDX framework with an aim to run the game efficiently and smoothly on Android devices.
• peter-lawrey/Java-Thread-Affinity - Control thread affinity for Java
• rometools/rome - ROME is Java framework for RSS and Atom feeds
• java-decompiler/jd-eclipse - A Java Decompiler Eclipse plugin
• clearthesky/apk-parser - Apk parser lib for java
• caelum/vraptor4 - A Java web MVC action-based framework
• spring-cloud/spring-cloud-sleuth - Distributed tracing for spring cloud
• Hive2Hive/Hive2Hive - Java library for secure, distributed, P2P-based file synchronization and sharing.
• stoicflame/enunciate - Build-time enhancement tool for Java-based Web services projects
• digitalfondue/lavagna - Lavagna: issue tracker/project management tool
• GoogleCloudPlatform/google-cloud-java - Google Cloud Client Library for Java
• pires/obd-java-api - OBD-II Java API
• kaitoy/pcap4j - A Java library for capturing, crafting, and sending packets.
• jOOQ/jOOX - jOOX - The Power of jQuery Applied to W3C DOM Like JDBC, DOM is a powerful, yet very verbose low-level API to manipulate XML. The HTML DOM an be manipulated with the popular jQuery product, in JavaScript. Why don't we have jQuery in Java? jOOX is jQuery's XML parts, applied to Java.
• lkuza2/java-speech-api - The J.A.R.V.I.S. Speech API is designed to be simple and efficient, using the speech engines created by Google to provide functionality for parts of the API. Essentially, it is an API written in Java, including a recognizer, synthesizer, and a microphone capture utility. The project uses Google services for the synthesizer and recognizer. While this requires an Internet connection, it provides a complete, modern, and fully functional speech API in Java.
• jonathanlermitage/tikione-steam-cleaner - Steam/GOG/Origin games redistributable packages finder and remover. Available in 12 languages. 🎮
• togglz/togglz - Feature Flags for the Java platform
• bartdag/py4j - Py4J enables Python programs to dynamically access arbitrary Java objects
• google/caliper - Micro-benchmarking library for Java
• anismiles/websocket-android-phonegap - This is a Java library that implements Websockt API (Draft-75/76) for Android platform. Library uses java.nio.* packages for efficient non-blocking evented behavior. It easily gets integrated with Phonegap framework.
• lionsoul2014/jcseg - Jcseg是基于mmseg算法的一个轻量级中文分词器，同时集成了关键字提取，关键短语提取，关键句子提取和文章自动摘要等功能，并且提供了一个基于Jetty的web服务器，方便各大语言直接http调用，同时提供了最新版本的lucene, solr, elasticsearch的分词接口！
• Peergos/Peergos - A decentralised, secure file storage, sharing and social network that's surveillance resistant and doesn't expose your friend network.
• NLPchina/Word2VEC_java - word2vec java版本的一个实现
• brahalla/Cerberus - A demonstration of a completely stateless and RESTful token-based authorization system using JSON Web Tokens (JWT) and Spring Security.
• careermonk/DataStructureAndAlgorithmsMadeEasyInJava - Data Structure And Algorithms Made Easy In Java
• tcurdt/jdeb - This library provides an Ant task and a Maven plugin to create Debian packages from Java builds in a truly cross platform manner.
• Haehnchen/idea-php-laravel-plugin - Laravel Framework Plugin for PhpStorm / IntelliJ IDEA
• MagnusS/Java-BloomFilter - A stand-alone Bloom filter implementation written in Java
• google/google-oauth-java-client - Google OAuth Client Library for Java
• influxdata/influxdb-java - Java client for InfluxDB
• alkacon/opencms-core - The Java open source content management system by Alkacon Software
• simplenlg/simplenlg - Java API for Natural Language Generation. Originally developed at the University of Aberdeen's Department of Computing Science. This git repo is the official SimpleNLG version.
• glung/redux-java - The java version of Redux : a predictable state container for apps.
• jcabi/jcabi-aspects - Collection of AOP/AspectJ Java Aspects
• jonfhancock/JsonToJava - I was fed up with writing Java classes to mirror json models. So I wrote this Java app to automate the process.
• apollographql/apollo-android - 📟 A strongly-typed, caching GraphQL client for Android, written in Java
• abel533/ECharts - 这是一个针对ECharts2.x版本的Java类库，实现了所有ECharts中的Json结构对应的Java对象，并且可以很方便的创建Option,Series等
• Codearte/jfairy - Java fake data generator
• vbauer/jackdaw - Java Annotation Processor which allows to simplify development
• nurkiewicz/async-retry - Asynchronous retrying for Java 7/8
• qiujiayu/AutoLoadCache - AutoLoadCache 是基于AOP+Annotation等技术实现的高效的缓存管理解决方案，实现缓存与业务逻辑的解耦，并增加异步刷新及“拿来主义机制”，以适应高并发环境下的使用。
• DSpace/DSpace - (Official) The DSpace digital asset management system that powers your Institutional Repository
• GlowstoneMC/Glowstone - A fast, customizable and compatible open source Minecraft server.
• fangyidong/json-simple - A simple Java toolkit for JSON. You can use json-simple to encode or decode JSON text.
• DigitalPebble/storm-crawler - Web crawler SDK based on Apache Storm
• yegor256/takes - True Object-Oriented Java Web Framework
• JodaOrg/joda-money - Java library to represent monetary amounts.
• jimwebber/neo4j-tutorial - A koan-style tutorial in Java for Neo4j
• igniterealtime/Spark - Cross-platform real-time collaboration client optimized for business and organizations.
• GoodieBag/HorizontalPicker - A HorizontalPicker view for android, which supports both text and icon. ✨
• poetix/protonpack - Stream utilities for Java 8
• networknt/light-java - A fast, lightweight and more productive microservices framework
• kstyrc/embedded-redis - Redis embedded server for Java integration testing
• dain/snappy - Port of Snappy to Java
• structurizr/java - Structurizr for Java
• oxo42/stateless4j - Lightweight Java State Machine
• kamranzafar/JCL - Jar Class Loader, a configurable and dynamic custom classloader designed to create, manage and manipulate isolated Java classloaders in IoC frameworks and web applications.
• hprose/hprose-java - Hprose is a cross-language RPC. This project is Hprose 2.0 for Java
• wg/scrypt - Java implementation of scrypt
• nielsutrecht/jwt-angular-spring - JSON Web Token example that integrates both a Spring backend with an AngularJS frontend.
• dadoonet/fscrawler - Elasticsearch File System Crawler (FS Crawler)
• skadistats/clarity - Comically fast Java Dota 2 replay parser.
• oshi/oshi - Native Operating System and Hardware Information
• opensagres/xdocreport - XDocReport means XML Document reporting. It's Java API to merge XML document created with MS Office (docx) or OpenOffice (odt), LibreOffice (odt) with a Java model to generate report and convert it if you need to another format (PDF, XHTML...).
• spring-projects/spring-statemachine - Spring Statemachine is a framework for application developers to use state machine concepts with Spring.
• paypal/PayPal-Java-SDK - Java SDK for PayPal RESTful APIs
• Azure/azure-sdk-for-java - Azure Management Libraries for Java
• quickfix-j/quickfixj - The official QuickFIX/J project repository
• shawnfan/LintCode - Java Solutions to problems on LintCode
• peter-lawrey/HugeCollections-OLD - Huge Collections for Java using efficient off heap storage
• jpush/jpush-api-java-client - JiGuang's officially supported Java client library for accessing JPush APIs. 极光官方支持的 Java 版本服务器端 SDK。
• ewolff/microservice - Sample of a Microservice setup for my book. Based on Spring Cloud / Netflix / Java / Docker / Docker Compose / Docker Machine / Vagrant
• milosmns/circular-slider-android - Circular Slider UI Control for Android
• laforge49/JActor - Actors for Java
• googleglass/mirror-quickstart-java - Google Mirror API's Quickstart for Java
• sachin-handiekar/jInstagram - A Java library for the Instagram API.
• anupcowkur/here-be-dragons - An Intellij/Android Studio plugin to help visualise side effects in your code.
• sualeh/SchemaCrawler - Free database schema discovery and comprehension tool
• GwtMaterialDesign/gwt-material - A Google Material Design wrapper for GWT
• alphazero/jredis - Java Client and Connectors for Redis
• xetorthio/johm - JOhm is a Object-hash mapping library for Java for storing objects in Redis
• opentracing/opentracing-java - OpenTracing API for Java
• jankotek/JDBM3 - Embedded Key Value Java Database
• demitsuri/smali2java - smali 2 java conversion tool
• yegor256/eo - EO programming language
• softwaremill/akka-http-session - Web & mobile client-side akka-http sessions, with optional JWT support
• inspectIT/inspectIT - inspectIT is the leading Open Source APM (Application Performance Management) tool for analyzing your Java (EE) applications.
• fommil/matrix-toolkits-java - 🚀 High Performance Linear Algebra OOP
• nextcloud/android - 📱 Nextcloud Android app
• jiecao-fm/hashids-java - Impelement Hashids latest v1.0.0
• jcip/jcip.github.com - Java Concurrency in Practice
• Haehnchen/idea-android-studio-plugin - Android Studio Plugin
• benas/random-beans - Because life is too short to generate random Java beans by hand..
• Atmosphere/nettosphere - A Java WebSocket/HTTP server based on the Atmosphere and Netty Framework
• Ullink/simple-slack-api - (simple) Java Slack client library
• mkarneim/pojobuilder - A Java Code Generator for Pojo Builders
• KKys/ZhiHuSpider - Java无框架实现爬取知乎用户信息、图片和知乎推荐内容并下载到本地或数据库中
• beders/Resty - Tiny REST client for Java and JSON.
• apereo/java-cas-client - Apereo Java CAS Client
• tabulapdf/tabula-java - Extract tables from PDF files
• vimeo/stag-java - Speedy Type Adapter Generation
• EdwardRaff/JSAT - Java Statistical Analysis Tool, a Java library for Machine Learning
• cping/LGame - This is free 2d game development framework(Java Game Engine), support JavaSE/Android/IOS/WP7/HTML5/PSM/Linux/MAC/Windows and Default support Ripple protocol
• vkostyukov/la4j - Linear Algebra for Java
• Esri/geometry-api-java - The Esri Geometry API for Java enables developers to write custom applications for analysis of spatial data. This API is used in the Esri GIS Tools for Hadoop and other 3rd-party data processing solutions.
• cucumber/cuke4duke - Cucumber support for the JVM: Java, Scala, Groovy, Clojure, Ioke, Javascript, Spring, Guice, PicoContainer, WebDriver, Ant and Maven
• weld/core - Weld, including integrations for Servlet containers and Java SE, examples and documentation
• spullara/redis-protocol - Java client and server implementation of Redis
• gdg-x/frisbee - Android application for GDG members and organizers
• opensourceBIM/BIMserver - The open source BIMserver.org platform
• microg/android_packages_apps_UnifiedNlp - The next generation Network Location Provider, based on plugins.
• mediarain/RoboCoP - Pure Java code generation tool for generating a fully functional ContentProvider for Android.
• itdelatrisu/opsu - opsu! ~ an open-source osu! client
• flaxsearch/luwak - A java library for stored queries
• ThreeTen/threetenbp - Backport of functionality based on JSR-310 to Java SE 6 and 7. This is NOT an implementation of JSR-310.
• DigitalPebble/behemoth - Behemoth is an open source platform for large scale document analysis based on Apache Hadoop.
• BlackBoxVision/material-calendar-view - 📆 Material Design Calendar compatible with API 11+
• mmBs/NavigationDrawerSI - Navigation Drawer Simple Implementation
• LogNet/grpc-spring-boot-starter - Spring Boot starter module for gRPC framework.
• amaembo/huntbugs - Java bytecode static analyzer
• lemire/JavaFastPFOR - A simple integer compression library in Java
• Genymobile/gnirehtet - Gnirehtet provides reverse tethering for Android
• bigmeow/JWT - webapp用户身份认证方案 JSON WEB TOKEN 实现Deme示例，Java版
• twilio/twilio-java - A Java library for communicating with the Twilio REST API and generating TwiML.
• spring-projects/spring-data-commons - Spring Data Commons. Interfaces and code shared between the various datastore specific implementations.
• pac4j/play-pac4j - Security library for Play framework 2 in Java and Scala: OAuth, CAS, SAML, OpenID Connect, LDAP, JWT...
• michelelacorte/ElasticProgressBar - Elastic Progress Bar Renew!
• madflow/flow-netbeans-markdown - Markdown file support for the NetBeans IDE
• cowtowncoder/java-uuid-generator - Java Uuid Generator (JUG) is a library for generating all (3) types of UUIDs on Java. See (http://github.com/tlaukkan/mono-uuid-generator) for C#-based sister project!
• broadinstitute/picard - A set of command line tools (in Java) for manipulating high-throughput sequencing (HTS) data and formats such as SAM/BAM/CRAM and VCF.
• basho/riak-java-client - The Riak client for Java.
• awslabs/amazon-kinesis-client - Client library for Amazon Kinesis
• ZhaoKaiQiang/JianDanRxJava - 使用Rxjava重构煎蛋高仿
• Nike-Inc/wingtips - Wingtips is a distributed tracing solution for Java based on the Google Dapper paper.
• lemire/javaewah - A compressed alternative to the Java BitSet class
• JetBrains/xodus - JetBrains Xodus is a Java transactional schema-less embedded database used by JetBrains YouTrack and JetBrains Hub.
• jeremyh/jBCrypt - A Java implementation of OpenBSD's Blowfish password hashing code
• clun/ff4j - Feature Flipping for Java made easy
• derive4j/derive4j - Java 8 annotation processor and framework for deriving algebraic data types constructors, pattern-matching, morphisms, (near future: optics and typeclasses)
• Baqend/Orestes-Bloomfilter - Library of different Bloom filters in Java with optional Redis-backing, counting and many hashing options.
• RuedigerMoeller/kontraktor - distributed Actors for Java 8 http://ruedigermoeller.github.io/kontraktor/
• javers/javers - JaVers - object auditing and diff framework for Java
• cyfonly/FLogger - 基于双缓冲队列、多刷盘机制的超轻量级 java 日志
• Beh01der/EasyFlow - EasyFlow - Simple and lightweight Finite State Machine for Java
• b3log/latke - ♨️ A Spring-like, JSON based Java Web Framework . 一个类似 Spring 但以 JSON 为主的 Java Web 框架。
• cfg4j/cfg4j - Modern configuration library for distributed apps written in Java.
• Backblaze/JavaReedSolomon - Backblaze Reed-Solomon Implementation in Java
• roundrop/facebook4j - A most easily usable Facebook API wrapper in Java.
• OpenHFT/Java-Lang - Java Language support
• arthurblake/log4jdbc - log4jdbc is a Java JDBC driver that can log SQL and/or JDBC calls (and optionally SQL timing information) for other JDBC drivers using the Simple Logging Facade For Java (SLF4J) logging system.
• maxmind/GeoIP2-java - Java API for GeoIP2 webservice client and database reader
• AlmasB/FXGL - Java / JavaFX / Kotlin Game Library (Engine)
• korhner/asciimg - An ascii image generator written in Java.
• sakaiproject/sakai - Sakai is a freely available, feature-rich technology solution for learning, teaching, research and collaboration. Sakai is an open source software suite developed by a diverse and global adopter community.
• neoremind/fluent-validator - A Java validation framework leveraging fluent interface style and JSR 303 specification
• delight-im/Android-DDP - Meteor's Distributed Data Protocol (DDP) for clients on Android
• Yarikx/reductor - Redux for Android. Predictable state container library for Java/Android
• uklimaschewski/EvalEx - EvalEx is a handy expression evaluator for Java, that allows to evaluate simple mathematical and boolean expressions.
• shiffman/Most-Pixels-Ever-Processing - The Most Pixels Ever is an open-source Java and C++ framework for spanning Processing sketches and openFrameworks applications across multiple screens.
• openstreetmap/osmosis - Osmosis is a command line Java application for processing OSM data.
• jirutka/spring-rest-exception-handler - A convenient Spring MVC exception handler for RESTful APIs.
• robert-bor/aho-corasick - Java implementation of the Aho-Corasick algorithm for efficient string matching
• bonigarcia/webdrivermanager - Automatic Selenium WebDriver binaries management in runtime for Java
• zhiyuncloud/aixuexiao - 一个基于SAE Java平台的微信平台公众帐号应用例子（使用Spring/SpringMVC/MyBatis框架）详情访问：http://aixuexiao.sinaapp.com
• xianrendzw/EasyReport - A simple and easy to use Web Report System for java.EasyReport是一个简单易用的Web报表工具(支持Hadoop,HBase及各种关系型数据库),它的主要功能是把SQL语句查询出的行列结构转换成HTML表格(Table)，并支持表格的跨行(RowSpan)与跨列(ColSpan)。同时它还支持报表Excel导出、图表显示及固定表头与左边列的功能。
• roncoo/spring-boot-demo - Spring Boot的基础教程，基于spring-boot-1.4.x。由浅入深，一步一步学习Spring Boot，最后学到的不单单是基础！
• asciidoctor/asciidoctorj - ☕ Java bindings for Asciidoctor. Asciidoctor on the JVM!
• trautonen/coveralls-maven-plugin - Maven plugin for submitting Java code coverage reports to Coveralls web service.
• getsentry/raven-java - A Sentry SDK for Java and other JVM languages.
• ajalt/reprint - A unified fingerprint library for android.
• DuGuQiuBai/Java - 27天成为Java大神
• krasa/EclipseCodeFormatter - IntelliJ plugin - Allows using Eclipse's code formatter directly from IntelliJ. https://plugins.jetbrains.com/plugin/6546-eclipse-code-formatter
• CovertJaguar/Railcraft - The Railcraft Mod for Minecraft, source and development.
• stripe/stripe-java - Java library for the Stripe API.
• qiniu/java-sdk - Qiniu Resource (Cloud) Storage SDK for Java
• helun/Ektorp - Java API for CouchDB
• mulesoft-labs/raml-for-jax-rs - This project is all about two way transformation of JAX-RS-annotated Java code to RAML API description and back.
• EsotericSoftware/yamlbeans - Java object graphs, to and from YAML automatically
• C0de8ug/Javaee-tutorial - A simple website was created by spring + springmvc + mybatis + shiro + mysql + maven
• yuki-lau/weibo-spider - 新浪微博爬虫，采用Java语言开发，基于HTTPClient 4.0，采用MySQL存储爬取数据，支持多进程并发执行。功能包括：爬取微博、评论、转发、关注列表（层次）。根据数据需求，持续更新...
• tumblr/jumblr - Tumblr API v2 Java Client
• tbroyer/gradle-errorprone-plugin - Gradle plugin to use the error-prone compiler for Java
• OrbitzWorldwide/consul-client - Java Client for Consul HTTP API
• draptik/angulardemorestful - AngularJs intro: Focusing on the REST part with examples in java, nodejs and even dotnet ;-)
• ahmetb/orman - lightweight and minimalist ORM for Java/Android. works with SQLite & MySQL. (not actively maintained)
• jitsi/libjitsi - Advanced Java media library for secure real-time audio/video communication.
• benwilcock/microservice-sampler - A Java Microservice & CQRS Demo using Spring Boot, Axon & Docker
• airlift/slice - Java library for efficiently working with heap and off-heap memory
• realm/realm-android-adapters - Adapters for combining Realm Java with Android UI components and framework classes
• Waffle/waffle - Enable drop-in Windows Single Sign On for popular Java web servers.
• typetools/checker-framework - Pluggable type-checking for Java
• zkoss/zk - ZK is a highly productive Java framework for building amazing enterprise web and mobile applications
• undera/jmeter-plugins - JMeter Plugins
• mono/sharpen - Sharpen is an Eclipse plugin created by db4o that allows you to convert your Java project into c#
• forge/roaster - A Java Parser library that allows easy parsing and formatting of Java source files
• kalessil/phpinspectionsea - A Static Code Analyzer for PHP (a PhpStorm/Idea Plugin)
• hibernate/hibernate-ogm - Hibernate OGM - Domain model persistence for NoSQL datastores
• google/openrtb - OpenRTB model for Java and other languages via protobuf; Helper OpenRTB libraries for Java including JSON serialization
• austinv11/Discord4J - Java interface for the Discord API
• mgouline/android-samples - Sample Android code for the tutorials.
• donpark/identicon - Original Identicon java and canvas implementations
• dcm4che/dcm4che - DICOM Implementation in JAVA
• zsoltherpai/feather - Lightweight dependency injection for Java and Android (JSR-330)
• Yalantis/Watchface-Constructor - This is simple watchface constructor demo
• yuzhangcmu/LeetCode - LeetCode solutions written in Java
• aliyun/aliyun-openapi-java-sdk - Alibaba Cloud SDK for Java.
• javaslang/javaslang - Javaslang is an object-functional language extension to Java 8, which aims to reduce the lines of code and increase code quality. It provides persistent collections, functional abstractions for error handling, concurrent programming, pattern matching and much more. Javaslang fuses the power of object-oriented programming with the elegance and robustness of functional programming. The most interesting part is a feature-rich, persistent collection library that smoothly integrates with Java's standard collections.
• daveclayton/json-schema-validator - A JSON Schema validation implementation in pure Java, which aims for correctness and performance, in that order
• cordova-plugin-camera-preview/cordova-plugin-camera-preview - Cordova plugin that allow camera interaction from HTML code
• cloudfoundry/java-buildpack-auto-reconfiguration - Auto-reconfiguration functionality for the Java Buildpack
• chocoteam/choco-solver - An open-source Java library for Constraint Programming
• johncarl81/transfuse - 💉 Transfuse - A Dependency Injection and Integration framework for Google Android
• 3pillarlabs/socialauth - Java Library for authentication, getting profile, contacts and updating status on Google, Yahoo, Facebook, Twitter, LinkedIn, and many more providers
• x-stream/xstream - Serialize Java objects to XML and back again.
• hibernate/hibernate-search - Hibernate Search: full-text search for domain model
• davidar/lljvm - Low Level Java Virtual Machine
• hunterhacker/jdom - Java manipulation of XML made easy
• wmixvideo/nfe - Nota Fiscal Eletrônica em Java
• asterisk-java/asterisk-java - The free Java library for Asterisk PBX integration.
• kaaes/spotify-web-api-android - A wrapper for Spotify Web API. It uses Retrofit to create Java interfaces from API endpoints
• OpenHFT/Zero-Allocation-Hashing - Zero-allocation hashing for Java
• google/conscrypt - Conscrypt is a Java Security Provider that implements parts of the Java Cryptography Extension and Java Secure Socket Extension.
• bwaldvogel/liblinear-java - Java version of LIBLINEAR
• arquillian/arquillian-core - Arquillian provides a component model for integration tests, which includes dependency injection and container life cycle management. Instead of managing a runtime in your test, Arquillian brings your test to the runtime.
• tananaev/traccar-client-android - Traccar Client for Android
• SwiftJava/SwiftJava - Swift to Java Bridge
• super-csv/super-csv - A fast, programmer-friendly, free CSV library for Java
• Bigkoo/Android-PickerView - This is a picker view for android , support linkage effect, timepicker and optionspicker.（时间选择器、省市区三级联动）
• jayway/JsonPath - Java JsonPath implementation
• HeinrichReimer/material-intro - A simple material design app intro with cool animations and a simple API.
• droolsjbpm/optaplanner - Java planning engine: OptaPlanner optimizes business resource scheduling and planning.
• mp911de/lettuce - Advanced Redis client for thread-safe sync, async, and reactive usage. Supports Cluster, Sentinel, Pipelining, and codecs.
• HeinrichReimer/material-drawer - Custom drawer implementation for Material design apps.
• dotCMS/core - Source Code for dotCMS Java Enterprise Content Management System
• yanzhenjie/AndServer - Android端搭建简单的Http服务器的框架，傻瓜式构建，和Java的Servlet一样。
• Mach5/supersonic - Open-source web-based media streamer and jukebox fork of Subsonic. Supports MP3, OGG, AAC and other streamable audio and video formats. Runs on Windows, GNU/Linux and Mac using Java.
• rcarz/jira-client - A simple JIRA REST client for Java
• couchbase/couchbase-java-client - The official Java client for Couchbase Server
• dropbox/dropbox-sdk-java - A Java library for the Dropbox Core API.
• daveclayton/json-patch - An RFC 6902 (JSON Patch) and reverse, plus RFC 7386 (JSON Merge Patch), implementation in Java using Jackson (2.2.x)
• sanity/quickml - A fast and easy to use decision tree learner in java
• movisens/SmartGattLib - SmartGattLib is a Java library that simplifies the work with Bluetooth SMART devices
• jesse01/WebViewJavascriptBridge - WebViewJavascriptBridge for Android
• alibaba/java-dns-cache-manipulator - 🔍 A simple 0-dependency thread-safe lib for setting dns programmatically without touching host file, make unit/integration test portable.
• VictorAlbertos/ReactiveCache - A reactive cache for Android and Java which honors the reactive chain.
• grundid/nfctools - nfctools library for Java
• brettwooldridge/NuProcess - Low-overhead, non-blocking I/O, external Process implementation for Java
• qalingo/qalingo-engine - Qalingo : B2C B2B Engine (opensource Java eCommerce mCommerce Marketplace, sync with ERP CMS CRM) (based on Spring, Hibernate, Velocity, Drools, SOLR)
• vRallev/OpenCV - The OpenCV Java project for Android.
• Workable/java-error-handler - Error handling library for Android and Java
• spring-cloud/spring-cloud-consul - Spring Cloud Consul
• RamosLi/dbay-apns-for-java - High performance Java client for APNS(Apple Push Notification Service)
• JOML-CI/JOML - A Java math library for OpenGL rendering calculations
• elastic/elasticsearch-metrics-reporter-java - Metrics reporter, which reports to elasticsearch
• jsonld-java/jsonld-java - JSON-LD implementation for Java
• agoncal/agoncal-book-javaee7 - Code of the future Java EE 7 Book
• wg/lettuce - Scalable Java Redis client
• jasonsantos/luajava - LuaJava is a scripting tool for Java. The goal of this tool is to allow scripts written in Lua to manipulate components developed in Java. LuaJava allows Java components to be accessed from Lua using the same syntax that is used for accessing Lua`s native objects, without any need for declarations or any kind of preprocessing. LuaJava also allows Java to implement an interface using Lua. This way any interface can be implemented in Lua and passed as parameter to any method, and when called, the equivalent function will be called in Lua, and it's result passed back to Java.
• rythmengine/rythmengine - A "Razor" like, rich featured, high performance and easy to use Java template engine
• MoriTanosuke/glacieruploader - A simple java command line application for Amazon Glacier
• geecko86/QuickLyric - Android app that instantly fetches your lyrics for you.
• evernote/evernote-sdk-java - Evernote SDK for Java
• agoncal/agoncal-application-petstore-ee6 - A Java Petstore using the Java EE 6
• SKCraft/Launcher - Deploy modpacks easily -- no special hosting required!
• pholser/jopt-simple - Java library for parsing command line options
• cloudfoundry/cf-java-client - Java Client Library for Cloud Foundry
• bodar/totallylazy - Another functional library for Java
• AdamBien/afterburner.fx - The Opinionated Un-Framework For Java FX Applications
• Graylog2/graylog2-server - Free and open source log management
• ahmetalpbalkan/orman - lightweight and minimalist ORM for Java/Android. works with SQLite & MySQL. (not actively maintained)
• mulesoft/raml-for-jax-rs - This project is all about two way transformation of JAX-RS-annotated Java code to RAML API description and back.
• BlitzKraig/AndroidResizer - Java Desktop app to resize XXXHDPI (or lower) images and sort them into folders automatically.
• jhunters/jprotobuf - A very useful utility library for java programmer using google protobuf
• pepibumur/emojize - Emojize is a Java library to convert keyboard emojis to chearsheet emojis
• code-crusher/Image-Zoomer - 📱 Image zoom animations library for Android.
• aurae/retrofit-logansquare - A Converter implementation using LoganSquare JSON serialization for Retrofit 2.
• rehacktive/waspdb - key/value data storage library for Android, pure java and encrypted
• lookfirst/sardine - an easy to use webdav client for java
• julianhyde/linq4j - A port of LINQ (Language-Integrated Query) to Java
• grossopa/weixin-mp-java - 基于Java，Spring，Maven实现的微信公众平台一整套代码，从前端Controller到后端的Dao的实现
• cloudsec/ajvm - A hobby jvm, just want to know how a java virtual machine works.
• wso2/msf4j - WSO2 Microservices Framework for Java (MSF4J)
• optimaize/language-detector - Language Detection Library for Java
• numenta/htm.java - Hierarchical Temporal Memory implementation in Java - an official Community-Driven Java port of the Numenta Platform for Intelligent Computing (NuPIC).
• Codingpedia/demo-rest-jersey-spring - Project described on Codingpedia.org in the blog post: "Tutorial – REST API design and implementation in Java with Jersey and Spring"
• adneal/Apollo-CM - Android yacht player
• thatJavaNerd/JRAW - The Java Reddit API Wrapper
• shuyo/language-detection - This is a language detection library implemented in plain Java. (aliases: language identification, language guessing)
• ScottOaks/JavaPerformanceTuning - Examples for O'Reilly & Associates Java Performance Tuning: The Definitive Guide
• PhilipsHue/PhilipsHueSDK-Java-MultiPlatform-Android - The Software Development Kit for Philips Hue Java Mulfi-Platform and Android (beta)
• JesseFarebro/android-mqtt - A simple MQTT Service that will keep running for the duration of your Android application using the Paho Java MQTT Client.
• freedomotic/freedomotic - Open Internet of Things Framework - ThinG Wider!
• escline/InstallCert - Java program to retrieve server certificate that can be added to local keystore
• EasyBatch/easybatch-framework - The simple, stupid batch processing framework for Java
• Manabu-GT/DesignOverlay-Android - Android app which displays design image with grid lines to facilitate the tedious design implementation process
• maksim-m/Popular-Movies-App - A simple Android app, that helps you discover most popular and most rated movies. Project 1 & 2 of Udacity Android Developer Nanodegree.
• google/allocation-instrumenter - A Java agent that rewrites bytecode to instrument allocation sites
• Esri/arcgis-runtime-samples-android - ArcGIS Runtime SDK for Android Samples
• Beerkay/JavaMultiThreading - Codes with minor comments of Java Multithreading course
• RichardWarburton/lambda-behave - A modern testing and behavioural specification framework for Java 8
• OneBusAway/onebusaway-android - The official Android/Fire Phone app for OneBusAway
• easymock/objenesis - Okay, it's pretty easy to instantiate objects in Java through standard reflection. However there are many cases where you need to go beyond what reflection provides. For example, if there's no public constructor, you want to bypass the constructor code, or set final fields. There are numerous clever (but fiddly) approaches to getting around this and this library provides a simple way to get at them. You will find the official site here.
• stefanbirkner/system-rules - A collection of JUnit rules for testing code which uses java.lang.System.
• SpongePowered/SpongeVanilla - The SpongeAPI implementation for Vanilla Minecraft.
• whitesock/open-replicator - Open Replicator is a high performance MySQL binlog parser written in Java. It unfolds the possibilities that you can parse, filter and broadcast the binlog events in a real time manner.
• WhisperSystems/libsignal-service-java - A Java/Android library for communicating with the Signal messaging service.
• killme2008/aviator - A high performance expression evaluator for java
• javatuples/javatuples - Typesafe representation of tuples in Java.
• indeedeng/proctor - Proctor is a Java-based A/B testing framework
• forge/core - Forge Core Framework APIs and Implementation
• dom4j/dom4j - flexible XML framework for Java
• davidmoten/geo - Geohash utitlies in java
• aggregateknowledge/java-hll - Java library for the HyperLogLog algorithm
• xurui1995/Sword-pointing-to-offer - 剑指offer java版实现
• michel-kraemer/bson4jackson - A pluggable BSON generator and parser for Jackson JSON processor.
• jqno/equalsverifier - EqualsVerifier can be used in Java unit tests to verify whether the contract for the equals and hashCode methods is met.
• GraphChi/graphchi-java - GraphChi's Java version
• angelozerr/tern.java - Use tern.js in Java context
• sk89q/CraftBook - Machines, ICs, PLCs, and more!
• odnoklassniki/one-nio - Unconventional I/O library for Java
• ical4j/ical4j - A Java library for parsing and building iCalendar data models
• zafarkhaja/jsemver - Java implementation of the SemVer Specification
• perf4j/perf4j - Performance Monitoring and Statistics for Java Code
• Microsoft/vsminecraft - Visual Studio extension for developing MinecraftForge mods using Java.
• michel-kraemer/gradle-download-task - Adds a download task to Gradle that displays progress information
• mdeverdelhan/ta4j - A Java library for technical analysis
• ianopolous/JPC - JPC - The fast x86 PC emulator in 100% pure Java
• exteso/alf.io - alf.io - The open source ticket reservation system
• cuba-platform/cuba - CUBA Platform is a high level framework for enterprise applications development
• ysc/superword - Superword is a Java open source project dedicated in the study of English words analysis and auxiliary reading.
• ypresto/android-transcoder - MP4 video transcode using Android MediaCodec API, pure Java (not LGPL nor patent issue!). Supports API >= 18.
• ron190/jsql-injection - jSQL Injection is a Java application for automatic SQL database injection.
• yandex-qatools/htmlelements - Html Elements is a Java framework providing easy-to-use way of interaction with web-page elements in web-page tests.
• yahoo/elide - Elide is a Java library that lets you stand up a JSON API web service with minimal effort
• rawls238/Scientist4J - A port of Github's Refactoring tool Scientist in Java
• jezhumble/javasysmon - Manage OS processes and get cpu and memory stats cross-platform in Java.
• pedrovgs/AndroidGameBoyEmulator - Android Game Boy Emulator written in Java
• opensciencemap/vtm - a vector-tile map library written in java - running on android, desktop and within the browser
• twitter/joauth - A Java library for authenticating HTTP Requests using OAuth
• OpenGamma/Strata - Open source analytics and market risk library from OpenGamma
• jenkinsci/github-plugin - Jenkins GitHub plugin
• fabioz/Pydev - Python IDE for Eclipse
• code-disaster/steamworks4j - A thin Java wrapper to access the Steamworks API
• pengrad/java-telegram-bot-api - Java API for Telegram Bots and Gaming Platform
• jreijn/spring-comparing-template-engines - Demo project to show different Java templating engines in combination with Spring MVC
• Comcast/jrugged - A Java libary of robustness design patterns
• sgothel/jogl - Java™ Binding for the OpenGL® API
• ModeShape/modeshape - ModeShape is a distributed, hierarchical, transactional, and consistent data store with support for queries, full-text search, events, versioning, references, and flexible and dynamic schemas. It is very fast, highly available, extremely scalable, and it is 100% open source and written in Java. Clients use the JSR-283 standard Java API for content repositories (aka, JCR) or ModeShape's REST API, and can query content through JDBC and SQL.
• daimajia/java-multithread-downloader - Java multithread download library
• soundcloud/java-api-wrapper - SoundCloud Java API wrapper (OAuth2 only), works on Android
• FasterXML/java-classmate - Library for introspecting generic type information of types, member/static methods, fields. Especially useful for POJO/Bean introspection.
• timboudreau/netty-http-client - An asynchronous http client in Java, with a clean, callback-based API, using Netty 4.x
• lambadaframework/lambadaframework - Build serverless REST API's with JAVA. It implements the JAX-RS API and deploys your application easily to AWS Lambda and API Gateway
• HubSpot/jinjava - Jinja template engine for Java
• biojava/biojava - 📖🔬☕ BioJava is an open-source project dedicated to providing a Java framework for processing biological data.
• reficio/soap-ws - Java library, based on Spring-WS, that enables handling SOAP on a purely XML level
• nifty-gui/nifty-gui - Your Open Source Java OpenGL GUI. Interactive user interfaces for games or similar applications. LWJGL, JOGL, JME or Java2d rendering.
• iainporter/rest-java - Building rest services in Java with Spring and Jersey
• fusesource/hawtdispatch - The libdispatch style API for Java and Scala
• chatty/chatty - Twitch Chat Client written in Java
• stormpath/stormpath-sdk-java - Official Java SDK for the Stormpath User Management REST API
• nyholku/purejavacomm - Pure Java implementation of JavaComm SerialPort
• ning/compress - High-performance, streaming/chunking Java LZF codec, compatible with standard C LZF package
• 308tube/com.youtube.rest - Java restful service tutorial
• EsotericSoftware/tablelayout - Table-based layout for Java UI toolkits: libgdx, Swing, Android, TWL
• shipilev/java-object-layout - Low-level Java object layout dumpers
• jmacglashan/burlap - Repository for the ongoing development of the Brown-UMBC Reinforcement Learning And Planning (BURLAP) java library
• ReactiveX/RxJavaReactiveStreams - Adapter between RxJava and ReactiveStreams
• rchodava/datamill - A Java framework for web applications using a functional reactive style built on RxJava
• mongojack/mongojack - Mongojack maps Java objects to MongoDB documents. Based on the Jackson JSON mapper, Mongojack allows you to easily handle your mongo objects as POJOs (insert, search by id or by any other field, update).
• dwrensha/capnproto-java - Cap'n Proto in pure Java
• tim-group/java-statsd-client - a java statsd client library
• OWASP/java-html-sanitizer - Takes third-party HTML and produces HTML that is safe to embed in your web application. Fast and easy to configure.
• hypercube1024/firefly - Firefly framework - A high performance full-stack java web framework
• EleTeam/Shop-for-JavaWeb - 这是网站版的电商系统，是Shop-for-iOS的服务端代码。注意：如果用PHP开发，请使用 Shop-for-PHP-Yii2
• childe/hangout - 用java实现一下Logstash的几个常用input/filter/output, 希望能有效率上面的大提升
• socketio/engine.io-client-java - Engine.IO Client Library for Java
• nviennot/jd-core-java - Java Library for JD-Core, a java decompiler
• glowroot/glowroot - Fast, clean, simple Java APM
• ramswaroop/Algorithms-and-Data-Structures-in-Java - Algorithms and Data Structures in Java
• paultuckey/urlrewritefilter - A Java Web Filter with functionality like Apache's mod_rewrite
• pure4j/pure4j - Compile-Time Purity and Immutability Semantics For The Java Language
• maxliaops/Java_Web_Examples - 《实战突击：Java Web项目整合开发》源码
• citiususc/hipster - Hipster4j is a lightweight and powerful heuristic search library for Java and Android. It contains common, fully customizable algorithms such as Dijkstra, A* (A-Star), DFS, BFS, Bellman-Ford and more.
• sendgrid/sendgrid-java - SendGrid Java helper library
• ReactiveX/RxJavaFX - RxJava bindings for JavaFX
• jenkinsci/java-client-api - A Jenkins API client for Java
• evant/android-retrolambda-lombok - A modified version of lombok ast that allows lint to run on java 8 sources without error.
• CloudRail/cloudrail-si-java-sdk - Unified API Library for: Cloud Storage, Social Profiles, Payment, Email, SMS & POIs. Included services are Dropbox, Google Drive, OneDrive, Box, Facebook, GitHub, Google+, LinkedIn, Slack, Twitter, Windows Live, Yahoo, PayPal, Stripe, Mailjet, Sendgrid, Twilio, Nexmo, Google Places, Foursquare, Yelp.
• woorea/openstack-java-sdk - OpenStack Java SDK
• square/protoparser - Java parser for .proto schema declarations.
• snazy/ohc - Java large off heap cache
• nguyenq/tess4j - Java JNA wrapper for Tesseract OCR API
• UglyTroLL/Douban-Java-SDK-OAuth2 - Douban Java SDK OAuth2
• trikita/jedux - Redux architecture for Android in good old java
• MachinePublishers/ScreenSlicer - Automatic, zero-config web scraping -- written in Java, has no dependency on Java EE or app servers, and the web scraper has a restful/JSON API.
• jReddit/jReddit - 🌀 Java wrapper for Reddit API
• ImangazalievM/Scripto - Java and JavaScript interaction library
• taskadapter/redmine-java-api - Redmine Java API
• RichardWarburton/slab - Offheap Java POJOs with guaranteed memory alignment
• foursquare/fongo - faked out in-memory mongo for java
• doanduyhai/Achilles - An advanced Java Object Mapper/Query DSL generator for Cassandra
• jparsec/jparsec - Build parsers in Java
• drrb/java-rust-example - Embedding Rust in Java
• aled/jsi - Java Spatial Index
• simbiose/Encryption - Encryption is a simple way to encrypt and decrypt strings on Android and Java project.
• nativelibs4java/BridJ - BridJ: blazing fast Java / C / C++ interop
• bmwcarit/barefoot - Java library for integrating the map into software and services with state-of-the-art online and offline map matching that can be used stand-alone and in the cloud.
• bbottema/simple-java-mail - Simple API, Complex Emails (JavaMail smtp wrapper)
• spring-projects/spring-data-cassandra - Provides support to increase developer productivity in Java when using Apache Cassandra. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.
• ptnplanet/Java-Naive-Bayes-Classifier - A java classifier based on the naive Bayes approach.
• cmzy/ZHookLib - A java method hook library for android dalvik
• line/line-bot-sdk-java - Java SDK for Messaging API BOT
• amplab/succinct - Java/Scala Implementation of Succinct.
• t0xa/gelfj - Graylog Extended Log Format (GELF) implementation in Java and log4j appender without any dependencies.
• rschreijer/lutung - Lutung - A Java Mandrill API Connector
• RobWin/javaslang-circuitbreaker - A lightweight, easy-to-use fault tolerance library designed for Java8 and functional programming
• mfornos/humanize - Java facility for adding a “human touch” to data.
• mark-watson/Java-AI-Book-Code - Code examples for my Java artificial intelligence book
• knightliao/disconf-demos-java - java applications for disconf
• farin/JCloisterZone - Java implementation of Carcassonne board game
• ben-manes/concurrentlinkedhashmap - A ConcurrentLinkedHashMap for Java
• zhoumengkang/netty-restful-server - A light restful server built on netty. If you are preparing for leaning java or netty, it's a nice gift for you.
• uber-common/rave - A data model validation framework that uses java annotation processing.
• JeffLi1993/fast-framework - 基于 JDK8 实现的轻量级 Java Web 框架
• DV8FromTheWorld/JDA - Java REST wrapper for the popular chat & VOIP service: Discord. https://discordapp.com/
• SonarSource/sonar-java - ☕ SonarJava : Java static analyzer for SonarQube & SonarLint
• mikereedell/sunrisesunsetlib-java - Library for computing the sunrise/sunset from GPS coordinates and a date, in Java.
• ge0rg/MemorizingTrustManager - A "plugin" for Android Java to allow asking the user about SSL certificates
• ContainX/openstack4j - A Fluent OpenStack SDK / Client Library for Java
• Thomas-S-B/visualee - A maven plugin to visualize java ee projects
• google/thread-weaver - A Java framework for testing multithreaded code.
• WorksApplications/icefig - Java elegant supplement
• twitter/nodes - A library to implement asynchronous dependency graphs for services in Java
• tipsy/j2html - Java to HTML generator. Enjoy typesafe HTML generation.
• timols/java-gitlab-api - A wrapper for the Gitlab API written in Java
• spring-projects/spring-security-javaconfig - Spring Security Java Configuration Support (to be merged with spring-security-config)
• alaisi/postgres-async-driver - Asynchronous PostgreSQL Java driver
• zsxwing/leetcode-java - My Java solutions for LeetCode Online Judge.
• windy1/google-places-api-java - Comprehensive and FULL Java client for the Google Places API
• litesuits/android-lite-go - LiteGo is a Java-based asynchronous concurrency library. It has a smart executor, which can be freely set the maximum number of concurrent at same time , and the number of threads in waiting queue. It can also set waiting policies and overload strategies.
• kelemen/netbeans-gradle-project - This project is a NetBeans plugin able to open Gradle based Java projects. The implementation is based on Geertjan Wielenga's plugin.
• jenetics/jenetics - Jenetics - Java Genetic Algorithm Library
• eBay/cors-filter - CORS (Cross Origin Resource Sharing) is a mechanism supported by W3C to enable cross origin requests in web-browsers. CORS requires support from both browser and server to work. This is a Java servlet filter implementation of server-side CORS for web containers such as Apache Tomcat.
• Cue/greplin-bloom-filter - Java implementation of a probabilistic set data structure
• kaikramer/keystore-explorer - KeyStore Explorer is a free GUI replacement for the Java command-line utilities keytool and jarsigner.
• andrewgaul/modernizer-maven-plugin - Detect uses of legacy Java APIs
• TheHolyWaffle/TeamSpeak-3-Java-API - A Java 7 implementation of TeamSpeak's 3 server query API.
• teamed/qulice - Quality Police for Java projects
• st-js/st-js - Main repository of Strongly-Typed Javascript - Java to Javascript transpiler
• qmx/jitescript - Jitescript - Java API for Bytecode
• npgall/concurrent-trees - Concurrent Radix and Suffix Trees for Java
• fasseg/exp4j - A tiny math expression evaluator for the Java programming language
• martinpaljak/GlobalPlatformPro - Manage applets and keys on JavaCard-s like a pro (via command line or from your Java project)
• GeoWebCache/geowebcache - GeoWebCache is a tile caching server implemented in Java that provides various tile caching services like WMS-C, TMS, WMTS, Google Maps, MS Bing and more
• FutureProcessing/spring-boot-security-example - This project demonstrates usage of Spring-Boot with Spring-Security using Java configuration with Integration Tests
• essiembre/eclipse-rbe - Eclipse plugin for editing Java resource bundles. Lets you manage all localized .properties files in one screen. Some features: sorted keys, warning icons on missing keys/values, conversion to/from Unicode, hierarchical view of keys, and more.
• voodoodyne/subethasmtp - SubEtha SMTP is a Java library for receiving SMTP mail
• TNG/JGiven - Behavior-Driven Development in plain Java
• taksan/skype-java-api - Skype API for Java, based on Skype4Java library
• juniversal/juniversal - Write cross platform mobile apps, in Java
• damnhandy/Handy-URI-Templates - A Java URI Template processor implementing RFC6570
• Unidata/thredds - Thredds and netCDF-Java (CDM)
• samczsun/Skype4J - Skype API written in Java. Does not support P2P chats
• lessthanoptimal/ejml - A fast and easy to use linear algebra library written in Java for dense, sparse, real, and complex matrices.
• Dreampie/icedog - java+angular+requirejs
• clarkware/jdepend - A Java package dependency analyzer that generates design quality metrics.
• caveofprogramming/java-beginners - Source code for Java for Complete Beginners
• RankSys/RankSys - Java 8 Recommender Systems framework for novelty, diversity and much more
• pusuo/patchca - Simple yet powerful CAPTCHA library written in Java
• jurmous/etcd4j - Java / Netty client for etcd, the highly-available key value store for shared configuration and service discovery.
• jpmml/jpmml-evaluator - Java Evaluator API for PMML
• feuyeux/jax-rs2-guide - 《Java Restful Web Service实战》源代码
• rubenlagus/TelegramBotsExample - A simple to use library to create Telegram Bots in Java
• happyfish100/fastdfs-client-java - FastDFS java client SDK
• clearthesky/requests - Easy yet flexible http client for java
• unbescape/unbescape - Advanced yet easy to use escaping library for Java
• TFaga/KumuluzEE - Lightweight framework for creating small standalone Java EE applications in a micro service way.
• SquidPony/SquidLib - Useful tools for roguelike, role-playing, strategy, and other grid-based games in Java. Feedback is welcome!
• sebastianbenz/Jnario - Executable specifications for Java
• owlike/genson - Genson a fast & modular Java <> Json library
• membrane/service-proxy - API gateway for REST and SOAP written in Java.
• jeluard/semantic-versioning - Java library relying on semver.org principles to check binary code compatibility
• harvardinformatics/JAuth - Java GUI client to generate Google authentication codes
• Fanping/iveely.search - Pure java realize search engine, try to directly hit the user's search for answers.
• crimsonwoods/javassist-android - Javassit for Android
• Atmosphere/wasync - WebSockets with fallback transports client library for Node.js, Android and Java
• virgo47/javasimon - Java Simon is a simple monitoring API that allows you to follow and better understand your application.
• playn/playn - A Java game development framework that deploys to JVM, HTML5, Android and iOS.
• julman99/gson-fire - A java library that adds some very useful features to Gson, like Date serializing to unix timestamp or RFC3339, method (getters) serialization, pre/post processors and many others. Check out the documentation to learn how to use it!
• javalite/activeweb - ActiveWeb is a full stack Java Web Framework for rapid development
• iboxdb/ftserver - Lightweight Embeddable iBoxDB Full Text Search Server for Java
• cache2k/cache2k - Lightweight, high performance Java caching
• achimala/leaguelib - Java library for the League of Legends RTMPS API (built on top of LoLRTMPSClient by Gabriel Van Eyck)
• raml-org/raml-java-parser - A RAML parser based on SnakeYAML written in Java
• johnlcox/motif - Scala-like pattern matching for Java 8
• wuman/JReadability - Java port of Arc90's Readability.js - parses HTML as input and returns clean, easy-to-read text
• jitlogic/zorka - Sophisticated monitoring agent for Java
• Ecwid/consul-api - Java client for Consul HTTP API
• bramp/ffmpeg-cli-wrapper - Java wrapper around the FFmpeg command line tool
• Baidu-ecom/Jprotobuf-rpc-socket - Protobuf RPC是一种基于TCP协议的二进制RPC通信协议的Java实现
• wblut/HE_Mesh - HE_Mesh, a Java library for creating and manipulating polygonal meshes. Aimed primarily at Processing.
• palantir/Sysmon - A lightweight platform monitoring tool for Java VMs
• maxmind/geoip-api-java - GeoIP Legacy Java API
• luckytoilet/MSolver - A small, self-contained minesweeper solver written in Java
• lindenb/jvarkit - Java utilities for Bioinformatics
• KnisterPeter/jreact - react.js on server-side java (with rhino or nashorn)
• Free-Software-for-Android/RootCommands - RootCommands - Library to access root commands with Java API
• ESAPI/esapi-java-legacy - ESAPI (The OWASP Enterprise Security API) is a free, open source, web application security control library that makes it easier for programmers to write lower-risk applications.
• algaworks/ebook-javaee - Projeto do e-book de Java EE 7 da AlgaWorks.
• 17mon/java - 17mon IP库解析代码
• thiagolocatelli/parse4j - Java Library to deal with Parse (parse.com) REST API
• s7/scale7-pelops - A Java library for accessing the Cassandra database
• ReactiveSocket/reactivesocket-java - ReactiveSocket Protocol for Client/Server for Java
• oldratlee/fucking-java-concurrency - 🎏 simple show cases of java concurrency problem
• stanfy/gson-xml - Java library for XML deserialization
• sk89q/WarmRoast - Java application CPU sampler with a web-based UI
• Simmetrics/simmetrics - Similarity or Distance Metrics, e.g. Levenshtein, for Java
• OleksandrKucherenko/meter - Meter - is a simple micro-benchmarking tool for Android (and Java) projects. This is not a profiler, this is very small utility class that designed for making benchmarking easy. Nothing more.
• laomafeima/WebJava - 一个高性能，轻量级的非阻塞式服务器
• JetBrains/jediterm - Pure Java Terminal Emulator. Works with SSH and PTY.
• boncey/Flickr4Java - Java API For Flickr. Fork of FlickrJ
• sstrickx/yahoofinance-api - Java Client API for Yahoo Finance
• Progether/JAdventure - Java text adventure game.
• nurkiewicz/typeof - instanceof operator and Visitor pattern replacement in Java 8
• loiane/curso-java-basico - ☕ Código fonte apresentado no curso de Java gratuito do blog loiane.com
• Ellzord/JALSE - Java Artificial Life Simulation Engine
• zznate/cassandra-tutorial - Basic tutorial for working with Apache Cassandra in Java via the Hector client
• sixpack/sixpack-java - A Java client for the Sixpack A/B testing framework https://github.com/seatgeek/sixpack
• saltares/freegemas-gdx - Freegemas libGDX is an Android and Java desktop port of Freegemas, which in turn is an open source version of the well known Bejeweled.
• pusher/pusher-websocket-java - Pusher client library for Java targeting general Java and Android | owner=@zmarkan
• neuroph/neuroph - Java Neural Network Framework Neuroph
• matuobasyouca/spider - a simple distributed spider in Java. Java编写的一个简单分布式爬虫
• jpcap/jpcap - network packet capture library for applications written in java
• uniVocity/csv-parsers-comparison - Comparisons among all Java-based CSV parsers in existence
• udacity/Just-Java - The official repository for the second Android Development for Beginners App : Just Java
• quarnster/SublimeJava - Java completions for Sublime Text 2
• JnRouvignac/AutoRefactor - Eclipse plugin to automatically refactor Java code bases
• bigmlcom/histogram - Streaming Histograms for Clojure/Java
• ActiveJpa/activejpa - A simple active record pattern library in java that makes programming DAL easier
• luohaha/jlitespider - A lite distributed Java spider framework :-)
• jnr/jnr-posix - Java Posix layer
• vvakame/JsonPullParser - compiler time JSON-POJO Mapper for Java
• rjyo/twitter-2-weibo - An app runs in a stand java J2EE server that syncs tweets from Twitter to Weibo
• giltene/PauselessHashMap - A java.util.HashMap compatible map that won't stall puts or gets when resizing
• xcv58/LeetCode - The solutions of LeetCode, include Java, C, C++, Python version.
• willuhn/hbci4java - Fork of HBCI4Java (from http://hbci4java.kapott.org), that contains support for chipTAN, smsTAN, HHD, SEPA and other fixes/enhancements
• mangstadt/ez-vcard - A vCard parser library for Java
• branaway/Japid - A Java-based statically-typed fast template engine that can be used in any Java code. It has special adapter for use with the Play! Framework.
• onelogin/java-saml - Java SAML toolkit
• kpelykh/docker-java - Java Docker API Client
• coolcooldee/sloth - A tool to generate java scaffold code for SQL databases。
• edmund-wagner/junrar - plain java unrar util (former sf project)
• schildbach/public-transport-enabler - Unleash public transport data in your Java project.
• RNCryptor/JNCryptor - Java implementation of RNCryptor
• justinsb/jetcd - Java binding for etcd
• fasterthanlime/jooc-legacy - 🐊 The historical, initial implementation of an ooc compiler in Java
• EtiennePerot/fuse-jna - No-nonsense, actually-working Java bindings to FUSE using JNA.
• coverity/coverity-security-library - Coverity Security Library (CSL) is a lightweight set of escaping routines for fixing cross-site scripting (XSS), SQL injection, and other security defects in Java web applications.
• BoltsFramework/Bolts-Java - [Archive] Bolts is a collection of low-level libraries designed to make developing mobile apps easier.
• jayway/powermock - PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.
• vaadin/vaadin - Vaadin is a Java framework for building modern web applications that look great, perform well and make you and your users happy.
• dblock/waffle - Enable drop-in Windows Single Sign On for popular Java web servers.
• javaslang/javaslang-circuitbreaker - A lightweight, easy-to-use fault tolerance library designed for Java8 and functional programming based on javaslang.
• StripesFramework/stripes - Stripes is a Java framework with the goal of making Servlet/JSP based web development in Java as easy, intuitive and straight-forward as it should be. It's stripey and it doesn't suck.
• ysc/HtmlExtractor - HtmlExtractor是一个Java实现的基于模板的网页结构化信息精准抽取组件。
• mheath/adbcj - Asynchronous Database Connectivity in Java
• mcfunley/juds - A Unix domain socket library for Java
• arnaudroger/SimpleFlatMapper - Fast and Easy mapping from database and csv to POJO. A java micro ORM, lightweight alternative to iBatis and Hibernate. Fast Csv Parser and Csv Mapper
• ralfebert/jgravatar - jgravatar is a Java library for accessing gravatar.com avatar images
• mikera/vectorz - Fast and flexible numerical library for Java featuring N-dimensional arrays
• mikaelhg/urlbuilder - Java Builders: URL builder
• javaee-samples/javaee7-hol - Java EE 7 Hands-on Lab
• eclipse/leshan - Eclipse Leshan is an OMA Lightweight M2M (LWM2M) implementation in Java.
• renaudcerrato/static-maps-api - Fluent and clean Google Static Maps API Java interface.
• openmicroscopy/bioformats - Bio-Formats is a Java library for reading and writing data in life sciences image file formats. It is developed by the Open Microscopy Environment (particularly UW-Madison LOCI and Glencoe Software). Bio-Formats is released under the GNU General Public License (GPL); commercial licenses are available from Glencoe Software.
• djpowell/liverepl - Connect a Clojure REPL to running Java or Clojure processes without any special setup
• caoqianli/apk-parser - Apk parser lib for java
• awslabs/aws-config-rules - [Node, Python, Java] Repository of sample Custom Rules for AWS Config.
• caoqianli/requests - Easy to use and flexible http lib for java
• elvishew/xLog - Convenient, flexible and tiny Log library for Android and java, can concurrently print the log to multiple target like logcat, System.out and file, or even remote server(or anywhere) if you like.
• tulskiy/jkeymaster - A library for registering global hotkeys in java with JNA. The goal is to support X11-based platforms, Windows and MacOSX
• stephanenicolas/reflection-no-reflection - A proof on concept to create an API that is 100% compatible reflection API, but without any reflection. Performance stuff for Android and Java.
• kyleduo/iCometClient4j - Client of iComet server for Java/Android. iComet server: https://github.com/ideawu/icomet
• Fermat-ORG/fermat - Main code repository: Java Framework, Android Framework, Linux Framework, and all platforms are here.
• FacePlusPlus/facepp-java-sdk - Face++ SDK for Java, can be used in Android project.
• slagyr/limelight - GUI library for Ruby/Clojure/Java
• zserge/log - Ultimately minimal (yet very convenient) logger for Android and Java
• s-u/rJava - R to Java interface
• goldmansachs/gs-collections - A supplement or replacement for the Java Collections Framework. We are pleased to announce that GS Collections has been migrated to the Eclipse Foundation, re-branded as Eclipse Collections.
• wsieroci/audiorecognizer - Shazam in Java
• 0opslab/utils - Java utils
• yxjiang/algorithms - Include the common algorithm questions in leetcode, cc150 implemented in Java and Python, including test cases.
• seatgeek/sixpack-java - A Java client for the Sixpack A/B testing framework https://github.com/seatgeek/sixpack
• jmkgreen/morphia - MongoDB object-document mapper in Java. Uses mongo-java-driver. [UNMAINTAINED]
• MutabilityDetector/MutabilityDetector - Lightweight analysis tool for detecting mutability in Java classes
• CardinalNow/AndroidAutowire - A Java Annotation approach to Android Views, Activities, and Fragments
• rjohnsondev/java-libpst - A library to read PST files with java, without need for external libraries.
• ppeccin/javatari - A multiplayer Atari 2600 emulator written in pure Java using no libs
• blackberry/Samples-for-Java - Samples for BBOS Java Apps
• mrniko/redisson - Redisson - distributed Java objects and services (Set, Multimap, SortedSet, Map, List, Queue, BlockingQueue, Deque, BlockingDeque, Semaphore, Lock, AtomicLong, CountDownLatch, Publish / Subscribe, Bloom filter, Remote service, Spring cache, Executor service, Live Object service, Scheduler service) on top of Redis server.
• thebuzzmedia/imgscalr - Simple Java image-scaling library implementing Chris Campbell's incremental scaling algorithm as well as Java2D's "best-practices" image-scaling techniques.
• nhl/bootique - Bootique is a minimally opinionated platform for modern runnable Java apps.
• NovaMods/nova-renderer - A mod to replace Minecraft's Java OpenGL2.1 renderer with a C++ OpenGL 4.5 renderer
• SidneyXu/AndroidDemoIn4Languages - Comparison among Java, Groovy, Scala, Kotlin in Android Development.
• ning/async-http-client - Asynchronous Http Client for Java
• GoogleCloudPlatform/gcloud-java - Google Cloud Client Library for Java
• callmeal/Flickr4Java - Java API For Flickr. Fork of FlickrJ
• wblut/HE_Mesh2014 - HE_Mesh, a Java library for creating and manipulating polygonal meshes. Aimed primarily at Processing.
• palantir/Cinch - A Java library that manages component action/event bindings for MVC patterns
• Cetsoft/imcache - Imcache is a Java Caching Library.
• mrwilson/java-dirty - File-backed append-only object store.
• anthonyu/KeptCollections - Distributed Java Collections for ZooKeeper
• lastfm/musicbrainz-data - MusicBrainz Java data bindings using Hibernate
• gwt-test-utils/gwt-test-utils - gwt-test-utils is a Java framework that allows to test GWT client side code in a efficient, easy way
• dwdyer/uncommons-maths - Random number generators, probability distributions, combinatorics and statistics for Java.
• shrinkwrap/shrinkwrap - Java API for Archive Manipulation
• caelum/restfulie-java - restfulie implementation in java, with support to vraptor
• rithms/riot-api-java - Riot Games API Java Library
• OpenHFT/SmoothieMap - A gulp of low latency Java
• danieldk/dictomaton - Finite state dictionaries in Java
• brunoborges/fx2048 - The game 2048, built using JavaFX and Java 8
• torakiki/sejda - An extendible and configurable PDF manipulation layer library written in java.
• thillerson/oreilly_android - This is the source code referenced in the O'Reilly Online Course: Developing Android Applications with Java. More information can be found here: http://training.oreilly.com/androidapps-java/
• nurkiewicz/LazySeq - Lazy sequences implementation for Java 8
• life0fun/wifi-direct-chat - A peer to peer chat app through wifi direct using java nio channels
• kabutz/javaspecialists - The Java Specialists' Newsletter Sources
• jkiddo/gmusic.api - An unofficial Java api for Google Music
• smola/galimatias - galimatias is a URL parsing and normalization library written in Java.
• pushkar/ABAGAIL - The library contains a number of interconnected Java packages that implement machine learning and artificial intelligence algorithms. These are artificial intelligence algorithms implemented for the kind of people that like to implement algorithms themselves.
• poidasmith/winrun4j - WinRun4J Java Application Launcher
• killme2008/gecko - A RPC framework in taobao based on java NIO.
• katjas/PDFrenderer - Java library for rendering PDF documents to the screen using Java2D
• fluent/fluent-logger-java - A structured logger for Fluentd (Java)
• yareally/Java7-on-Android - Java 7 features backported to Android 2.2+
• xiaoningning/algorithm - Algorithm, data structure and java coding.
• WantedTechnologies/xpresso - The pythonic way to code in Java.
• samtingleff/jchronic - Natural language date parsing in Java, ported directly from Ruby's chronic
• opoo/opoopress - OpooPress framework is a java based blog aware static site generator.
• OpenHFT/Chronicle-Logger - A sub microsecond java logger, supporting standard logging APIs such as Slf & Log4J
• jcabi/jcabi-ssh - Java SSH client
• gearman/java-service - Gearman Java Service
• alibaba/jstorm - Java Storm
• jayway/rest-assured - Java DSL for easy testing of REST services
• Netflix/feign - Feign makes writing java http clients easier
• fge/json-schema-validator - A JSON Schema validation implementation in pure Java, which aims for correctness and performance, in that order
• andimarek/graphql-java - GraphQL Java implementation
• karussell/snacktory - Readability clone in Java
• jayway/awaitility - Awaitility is a small Java DSL for synchronizing asynchronous operations
• begeekmyfriend/yasea - RTMP streaming client in pure Java for Android for those who hate JNI.
• fge/json-patch - An RFC 6902 (JSON Patch) and reverse, plus RFC 7386 (JSON Merge Patch), implementation in Java using Jackson (2.2.x)
• Jasig/java-cas-client - Apereo Java CAS Client
• gondor/openstack4j - A Fluent OpenStack Client Library for Java
• RisingOak/jenkins-client - A Jenkins API client for Java
• dvx/jssembly - Jssembly is a library that allows you to execute native assembly from Java.
• mapfish/mapfish-print - A component of MapFish for printing templated cartographic maps. This module is the Java serverside module. For support post to the mailing list: https://groups.google.com/forum/#!forum/mapfish-print-users
• cognitect-labs/transducers-java - A Java implementation of Transducers
• mandubian/siena - Siena is a persitence API for Java inspired on the Google App Engine Python Datastore API
• janpetryk/reddit-bot - Java Reddit bot project.
• elastic/elasticsearch-lang-javascript - JavaScript language Plugin for elasticsearch
• Renanse/Ardor3D - Ardor3D is a free Java based, professionally oriented, open source 3D graphics engine.
• ymnk/jzlib - re-implementation of zlib in pure Java
• thekrakken/java-grok - Simple API that allows you to easily parse logs and other files
• angryziber/simple-java - Code for the talk at GOTOCon Prague & Amsterdam about writing simple web apps - Plain Simple Java, and another one at Topconf - 3 tales of testing DB-enabled apps
• Karumi/KataContactsJava - KataContacts written in Java. The main goal is to practice Clean Architecture Development.
• AurelienRibon/sliding-layout - A powerful Java Swing panel/layout with cool transitions involving sliding subpanels
• stanfordnlp/phrasal - A large-scale statistical machine translation system written in Java.
• preon/preon - Bit syntax for Java
• imglib/imglib2 - A generic next-generation Java library for image processing
• thrau/jarchivelib - A simple archiving and compression library for Java
• jvansteirteghem/apjp - APJP is a proxy written in JAVA, PHP, PYTHON and RUBY.
• adyliu/zkclient - zkclient - A simple and effective Java client for zookeeper (both support zookeeper 3.3.x/3.4.x)
• abstractj/kalium - Java binding to the Networking and Cryptography (NaCl) library with the awesomeness of libsodium
• uudashr/jsmpp - Java SMPP (Short Message Peer-to-peer Protocol) API
• miguno/avro-hadoop-starter - Example MapReduce jobs in Java, Hive, Pig, and Hadoop Streaming that work on Avro data.
• bencall/RPlay - Java port of shairport
• romix/java-concurrent-hash-trie-map - Java port of a concurrent trie hash map implementation from the Scala collections library
• ralscha/extdirectspring - Implementation of the Ext Direct protocol with Java and Spring
• laiweiwei/eweb4j-framework - easy web framework for java
• callumj/opengraph-java - A Java object representation of the Open Graph protocol for a web page
• adamhub/screenbird - a full cross platform video screen capture tool and host. Java based screen recorder, and Django based web backend. Also included is a distributed video processing engine that uses ffmpeg across any amount of AWS instances.
• OpenHFT/Java-Runtime-Compiler - Java Runtime Compiler
• usb4java/usb4java - USB library for Java based on libusb and implementing javax.usb (JSR-80).
• taylorleese/google-app-engine-jappstart - Java framework for Google App Engine
• nvkelso/color-oracle-java - color-oracle-java
• googleads/googleads-java-lib - Google Ads APIs Client Library for Java (AdWords, DFA, and DFP)
• craigwblake/redline - Pure Java Rpm Library
• junit-team/junit - A programmer-oriented testing framework for Java.
• rovo89/XposedBridge - The Java part of the Xposed framework.
• googlesamples/cardboard-java - Google Cardboard
• greenrobot/greenrobot-common - General purpose utilities and hash functions for Android and Java (aka java-common)
• OpenHFT/Koloboke - Java Collections till the last breadcrumb of memory and performance
• jaredsburrows/android-gradle-java-template - Gradle + Android Studio + Robolectric + Espresso + Mockito + EasyMock/PowerMock + JaCoCo
• cfregly/fluxcapacitor - Flux Capacitor is a Java-based, cloud-native, reference architecture demonstrating many of the Netflix Open Source projects. *** Note: If you're looking for the Spark-based, Big Data Pipeline project, it's here: https://github.com/fluxcapacitor ***
• aol/simple-react - Powerful Future Streams & Async Data Structures for Java 8
• OpenHFT/HugeCollections - Huge Collections for Java using efficient off heap storage
• jhipster/generator-jhipster - Hipster stack for Java developers. Yeoman + Maven + Spring + AngularJS in one handy generator.
• douglascrockford/JSON-java - A reference implementation of a JSON package in Java.
• lemire/RoaringBitmap - A better compressed bitset in Java
• kazuhikoarase/qrcode-generator - QR Code Generator implementation in ActionScript3, Java, JavaScript and more.
• mbosecke/pebble - Java Templating Engine
• alibaba/multi-thread-context - 🐙 multi-thread context(MTC), a simple java lib for transmitting context between threads even using thread pool.
• ceylon/ceylon-compiler - Ceylon compiler (ceylonc: Java backend), Ceylon documentation generator (ceylond) and Ceylon ant tasks.
• greenlaw110/Rythm - A "Razor" like, rich featured, high performance and easy to use Java template engine
• damianszczepanik/cucumber-reporting-jenkins - Java jenkins plugin for cucumber-jvm reporting
• jbachorik/btrace - BTrace - a safe, dynamic tracing tool for the Java platform
• appium/java-client - Java language binding for writing Appium Tests, conforms to Mobile JSON Wire Protocol
• jsprit/jsprit - jsprit is a java based, open source toolkit for solving rich vehicle routing problems
• pcollections/pcollections - A Persistent Java Collections Library
• JesseFarebro/Android-Mqtt - A simple MQTT Service that will keep running for the duration of your Android application using the Paho Java MQTT Client.
• wapatesh/icefig - Java elegant supplement
• evil0ps/utils - Java utils
• void256/nifty-gui - Your Open Source Java OpenGL GUI. Interactive user interfaces for games or similar applications. LWJGL, JOGL, JME or Java2d rendering.
• chocoteam/choco3 - An open-source Java library for Constraint Programming
• h3xstream/find-sec-bugs - The FindBugs plugin for security audits of Java web applications and Android applications. (Also work with Scala and Groovy projects)
• jtwig/jtwig - Java modern template engine
• benas/easy-rules - The stupid Java rules engine
• aima-java/aima-java - Java implementation of algorithms from Norvig And Russell's "Artificial Intelligence - A Modern Approach"
• influxdb/influxdb-java - Java client for InfluxDB
• ingokegel/jclasslib - jclasslib bytecode viewer is a tool that visualizes all aspects of compiled Java class files and the contained bytecode.
• cybergarage/cybergarage-upnp - CyberLink for Java is a development package for UPnP™ developers. CyberLink controls these protocols automatically, and supports to create your devices and control points quickly.
• tarzanek/luke - SEE: https://issues.apache.org/jira/browse/LUCENE-2562 + https://github.com/DmitryKey/luke/ , I will slowly drop this repo, I'd love to see luke moved to lucene as module, until then - binary builds are on https://java.net/projects/opengrok/downloads
• DongWenDao/apk-parser - Apk parser lib with pure java
• vanZeben/2D-Game-Engine - A 2D Game engine built with only native Java libraries. Part of a tutorial series @ http://vanZeben.ca/java/2d_game_dev
• FreakDev/PhoneGap-Android-HTML5-WebSocket - a little java implementation of missing WebSocket form Android webview
• akkumar/jreversepro - JReversePro Java Decompiler
• mbreese/couchdb4j - CouchDB library for Java using JSON
• happygiraffe/jslint4java - A Java wrapper around Doug Crockford's marvellous jslint tool.
• florinpatrascu/micro - a modular micro MVC framework for Java web applications
• rufiao/persist - Persist is a Java ORM/DAO library designed for high performance, ease of use and integration.
• light/JOps - Operator Overloading for Java
• evllabs/JGAAP - The Java Graphical Authorship Attribution Program
• analytically/camelcode - Java+Play Framework tech demo that imports the CodePoint Open UK postcode dataset and offers a Geocoding REST API and a postcode map.
• raymyers/JHaml - Haml (XHTML Abstraction Markup Language) implementation in Java.
• darrinholst/sass-java - A Sass compiling filter for Java web apps
• flipkart-incubator/Lois - Golang like channels for java
• hyperic/jcollectd - Java integration for collectd
• serkan-ozal/jillegal - Java Off Heap Object Pool and On the Fly Instrumentation Tool
• nzakas/props2js - Tool to convert Java properties files into JavaScript
• mkovatsc/Californium-inf.ethz.ch - Californium (Cf) CoAP framework (Java implementation)
• contra/JMD - Java bytecode analysis/deobfuscation tool
• StreakYC/mache - Java App Engine -> BigQuery log export framework
• Gornova/MarteEngine - MarteEngine is a Java Engine for videogames
• jalkanen/speed4j - Speed4J is a simple performance analysis library for Java.
• brianm/gressil - Safe daemonization from within Java
• OpenTSDB/async - Building blocks for asynchronous Java processing inspired by Twisted's API.
• newrelic-platform/newrelic_mysql_java_plugin - MySQL Metrics Plugin
• mozilla-metrics/akela - A bunch of utility classes for Java, Hadoop, HBase, Pig, etc.
• Ecwid/ecwid-mailchimp - MailChimp API Wrapper for Java
• subchen/jetbrick-template-1x - Java template engine, quickly and easily.
• erikrozendaal/cqrs-lottery - Java example Domain-Driven-Design Command-Query Responsibility Separation
• sk89q/Intake - IoC-oriented Java command parsing library
• pushtorefresh/javac-warning-annotation - Lightweight javac @Warning annotation
• jacoco/eclemma - 🌒 EclEmma - Java Code Coverage Plug-in for Eclipse
• niwinz/jnanomsg - Clojure and Java bindings for nanomsg (build on top of JNA).
• matlux/jvm-breakglass - This project generates a jar file that you can dump into a Java or Clojure project to startup a repl or an nrepl server to listen on a port. Once the repl is started, you can access it with an nRepl client.
• aerospike/aerospike-client-java - Aerospike Java Client Library
• PredictionIO/PredictionIO-Java-SDK - PredictionIO Java SDK
• JakeWharton/RxJava2-Java6 - An automated backport of RxJava 2 to support Java 6.
• AdamBien/javaee7-essentials-archetype - A quickstart maven archetype for creating greenfield JavaEE 7 projects
• olap4j/olap4j - Open Java API for OLAP
• amelentev/java-oo - Java Operator Overloading
• EsotericSoftware/minlog - Minimal overhead Java logging
• xgouchet/Ted - Ted is a text editor for Android, written in java
• tyrus-project/tyrus - Tyrus - Reference implementation of Java API for WebSocket - JSR 356
• timroes/aXMLRPC - A lightweight Java XML-RPC client for the use with Android. Since there is absolutely no dependency to any android specific library (and I assure, that it never will have any), it also works fine in normal Java applications. Read the README.md file for more information.
• panterch/ch.panter.projectzero - Java Kickstart Project
• moleksyuk/Java-Design-Patterns - Examples of Java Design Patterns based on book - "Patterns in Java" Makr Grand.
• docusign/DocuSign-SOAP-SDK - Wraps the DocuSign eSignature SOAP API in 5 different languages: Java, C#, PHP, Ruby, Salesforce (Apex)
• delight-im/Emoji - Emoji (Unicode) and emoticon support for Java and Android
• bengarney/PBLabsProfiler - A simple sampling Java/SWT profiler for Flash applications. Under the GPL license.
• barchart/barchart-udt - Java wrapper for native C++ UDT protocol.
• apn-proxy/apn-proxy - Java HTTP Proxy based on Netty 4
• Gocnak/Botnak - A Java-based IRC chat client with focus on Twitch.tv streams.
• splunk/splunk-sdk-java - Splunk Software Development Kit for Java
• radsz/jacop - Java Constraint Programming solver
• openshift/openshift-java-client - Java Client for the OpenShift REST API
• dell-oss/Mensa - Mensa is a generic, flexible, enhanced, and efficient Java implementation of a pattern matching state machine as described by the 1975 paper by Alfred V. Aho and Margaret J. Corasick: Efficient string matching: An aid to bibliographic search.
• benas/jPopulator - Populate your java beans with random data
• FellowTraveler/otapij - A Java GUI for Open Transactions
• vladimirvivien/clamshell-cli - A framework to build command-line console applications in Java
• marcojakob/javafx-ui-sandbox - Sandbox UI Controls from the official OpenJFX repository
• jeevatkm/digitalocean-api-java - DigitalOcean API Client in Java
• drallgood/jpasskit - jPasskit is an Java™ implementation of the Apple™ PassKit Web Service.
• OmarElGabry/DesignPatterns - Examples of Design Patterns in Java
• killme2008/hs4j - HandlerSocket client for java
• gaia-ucm/jbt - Java Behaviour Trees is a Java framework for easily building and running generic behaviour trees. Here, "behaviour tree" refers to the technique used to control the behaviour of characters in video games.
• froks/JAirPort - JAirPort - A Java-Airplay Server
• dennisjzh/GwtMobile-PhoneGap - gwtmobile-phonegap is a GWT wrapper of the PhoneGap Javascript library. PhoneGap is a cross-platform development framework that provides core mobile device features to web-based mobile apps. GWT by Google is a new way of developing web applications -- write apps in Java then compile into javascript. gwtmobile-phonegap enables a GWT mobile application to use PhoneGap functions.
• arimus/jmimemagic - jMimeMagic is a Java library for determining the MIME type of files or streams.
• abudaan/MIDIBridge - An implementation in Java and Javascript of the W3C proposal for MIDI support in browsers by Jussi Kalliokoski
• MateVM/MateVM - A Java JIT compiler written in Haskell
• thomasjungblut/thomasjungblut-common - this is going to be my code-sink. mainly for java files
• nabeelmukhtar/github-java-sdk - This project aims to provide a Java wrapper for Github API.
• mark-watson/java_practical_semantic_web - Code examples for my book "Practical Semantic Web Programming (Java, Scala, Clojure, and JRuby Edition)
• jruby/joni - Java port of Oniguruma regexp library
• jmarranz/relproxy - Simple Java and Groovy hot class reloader and Java based shell and scripting
• jhades/jhades - JHades - Java classpath troubleshooting tool
• jOOQ/jOOQ-s-Java-8-Goodies - At Data Geekery, we love Java and we're excited about all the goodies that Java 8 will bring to our ecosystem. We've blogged about Java 8 extensively, and with this project, we'd like to share a couple of awesome examples with you, the Java community. For more goodies, visit our blog: http://blog.jooq.org/tag/java-8/
• hraberg/enumerable - Ruby/Smalltalk style internal iterators for Java 5 using bytecode transformation to capture expressions as closures.
• gaohannk/leetcode - the solution of leetcode using java
• dima767/inspektr - Lightweight non-Intruisive Auditing and Logging capabilities for Java
• cowtowncoder/java-merge-sort - Basic stand-alone disk-based N-way merge sort component for Java
• biasedbit/efflux - A Java RTP stack with RTCP support and a clean API.
• JorenSix/TarsosLSH - A Java library implementing Locality-sensitive Hashing (LSH), a practical nearest neighbour search algorithm for multidimensional vectors that operates in sublinear time.
• Devexperts/aprof - Java memory allocation profiler
• AdoptOpenJDK/mjprof - A monadic java profiler
• willuhn/hibiscus - A Java based, plattform independent (running on Linux, Windows, OS X, OpenBSD, OpenSolaris) homebanking application, that uses the german FinTS/HBCI standard. All data (accounts, transactions, addresses, ..) are stored encrypted into an embedded database (H2) by default or on a Mysql server (if configured). Hibiscus runs as a plugin within the Jameica framework as either a typical desktop application or headless in server mode.
• usc/wechat-mp-sdk - wechat management platform java sdk
• l3nz/ObjectiveSync - A thin Java object persistence layer for JDBC
• graphaware/neo4j-timetree - Java and REST APIs for working with time-representing tree in Neo4j
• dweiss/java-sizeof - Memory consumption estimator for Java
• Mojang/AccountsClient - Java client for accessing Mojang's account/profile API
• linux-china/weixin-robot-java - 微信公共平台机器人Java SDK
• nostra13/Android-Universal-Image-Loader - Powerful and flexible library for loading, caching and displaying images on Android.
• nathanmarz/storm - Distributed and fault-tolerant realtime computation: stream processing, continuous computation, distributed RPC, and more
• jfeinstein10/SlidingMenu - An Android library that allows you to easily create applications with slide-in menus. You may use it in your Android apps provided that you cite this project and include the license in your app. Thanks!
• google/iosched - The Google I/O 2014 Android App
• JakeWharton/ActionBarSherlock - [DEPRECATED] Action bar implementation which uses the native action bar on Android 4.0+ and a custom implementation on pre-4.0 through a single API and theme.
• loopj/android-async-http - An Asynchronous HTTP Library for Android
• square/picasso - A powerful image downloading and caching library for Android
• spring-projects/spring-framework - The Spring Framework
• JakeWharton/ViewPagerIndicator - Paging indicator widgets compatible with the ViewPager from the Android Support Library and ActionBarSherlock.
• excilys/androidannotations - Fast Android Development. Easy maintainance.
• greenrobot/EventBus - Android optimized event bus that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.
• facebook/fresco - An Android library for managing images and the memory they use.
• futurice/android-best-practices - Do's and Don'ts for Android development, by Futurice developers
• chrisbanes/Android-PullToRefresh - DEPRECATED
• netty/netty - Netty project - an event-driven asynchronous network application framework
• JakeWharton/butterknife - View "injection" library for Android.
• PhilJay/MPAndroidChart - A powerful Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, dragging and animations.
• navasmdc/MaterialDesignLibrary - This is a library with components of Android L to you use in android 2.2
• clojure/clojure - The Clojure programming language
• WhisperSystems/TextSecure - A private messenger for Android.
• google/physical-web - The Physical Web: walk up and use anything
• EnterpriseQualityCoding/FizzBuzzEnterpriseEdition - FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.
• bumptech/glide - An image loading and caching library for Android focused on smooth scrolling
• nhaarman/ListViewAnimations - An Android library which allows developers to easily add animations to ListView items
• chrisbanes/PhotoView - Implementation of ImageView for Android that supports zooming, by various touch gestures.
• ksoichiro/Android-ObservableScrollView - Android library to observe scroll events on scrollable views.
• astuetz/PagerSlidingTabStrip - An interactive indicator to navigate between the different pages of a ViewPager
• Netflix/Hystrix - Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex distributed systems where failure is inevitable.
• facebook/presto - Distributed SQL query engine for running interactive analytic queries against big data sources.
• AndroidBootstrap/android-bootstrap - A template/bootstrap/boilerplate application that includes tons of great open source tools and frameworks.
• aporter/coursera-android - Source Code for Android Course Example Applications
• gabrielemariotti/cardslib - Android Library to build a UI Card
• googlesamples/android-UniversalMusicPlayer - This sample shows how to implement an audio media app that works across multiple form factors and provide a consistent user experience on Android phones, tablets, Auto, Wear and Cast devices
• etsy/AndroidStaggeredGrid - An Android staggered grid view which supports multiple columns with rows of varying sizes.
• koush/ion - Android Asynchronous Networking and Image Loading
• afollestad/material-dialogs - A beautiful, easy-to-use, and customizable dialogs API, enabling you to use Material designed dialogs down to API 8.
• daimajia/AndroidSwipeLayout - The Most Powerful Swipe Layout!
• umano/AndroidSlidingUpPanel - This library provides a simple way to add a draggable sliding up panel (popularized by Google Music and Google Maps) to your Android application. Brought to you by Umano.
• facebook/facebook-android-sdk - Used to integrate Android apps with Facebook Platform.
• sparklemotion/nokogiri - Nokogiri (鋸) is an HTML, XML, SAX, and Reader parser with XPath and CSS selector support.
• daimajia/AndroidViewAnimations - Cute view animation collection.
• LMAX-Exchange/disruptor - High Performance Inter-Thread Messaging Library
• roboguice/roboguice - Google Guice on Android, version 3.0
• chrisbanes/cheesesquare - Demos the new Android Design library.
• facebook/stetho - Stetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more.
• chrisbanes/ActionBar-PullToRefresh - DEPRECATED
• emilsjolander/StickyListHeaders - An android library for section headers that stick to the top
• square/otto - An enhanced Guava-based event bus with emphasis on Android support.
• OpenRefine/OpenRefine - OpenRefine is a free, open source power tool for working with messy data and improving it
• Netflix/SimianArmy - Tools for keeping your cloud operating in top form. Chaos Monkey is a resiliency tool that helps applications tolerate random instance failures.
• thinkaurelius/titan - Distributed Graph Database
• google/bazel - Correct, reproducible, and fast builds for everyone.
• greenrobot/greenDAO - greenDAO is a light & fast ORM solution for Android that maps objects to SQLite databases.
• pardom/ActiveAndroid - Active record style SQLite persistence for Android
• amlcurran/ShowcaseView - Highlight the best bits of your app to users quickly, simply, and cool...ly
• lucasr/twoway-view - RecyclerView made simple
• fernandezpablo85/scribe-java - Simple OAuth library for Java
• wyouflf/xUtils - android orm, bitmap, http, view inject...
• JakeWharton/NineOldAndroids - [DEPRECATED] Android library for using the Honeycomb animation API on all versions of the platform back to 1.0!
• springside/springside4 - A Spring Framework based, pragmatic style JavaEE application reference architecture.
• spring-projects/spring-boot - Spring Boot
• koush/AndroidAsync - Asynchronous socket, http (client+server), websocket, and socket.io library for android. Based on nio, not threads.
• keyboardsurfer/Crouton - Context sensitive notifications for Android
• PaoloRotolo/AppIntro - Make a cool intro for your Android app.
• nicolasgramlich/AndEngine - Free Android 2D OpenGL Game Engine
• liaohuqiu/android-Ultra-Pull-To-Refresh - Ultra Pull to Refresh for Android. Support all the views.
• makovkastar/FloatingActionButton - Android floating action button
• openzipkin/zipkin - Zipkin is a distributed tracing system
• gradle/gradle - A powerful build system for the JVM
• cyrilmottier/GreenDroid - GreenDroid is a development library for the Android platform. It makes UI developments easier and consistent through your applications.
• stephanenicolas/robospice - Repo of the Open Source Android library : RoboSpice. RoboSpice is a modular android library that makes writing asynchronous long running tasks easy. It is specialized in network requests, supports caching and offers REST requests out-of-the box using extension modules.
• castorflex/SmoothProgressBar - A small Android library allowing you to have a smooth and customizable horizontal indeterminate ProgressBar
• ReactiveX/RxAndroid - RxJava bindings for Android
• futuresimple/android-floating-action-button - Floating Action Button for Android based on Material Design specification
• ManuelPeinado/FadingActionBar - Android library implementing a fading effect for the action bar, similar to the one found in the Play Music app
• SimonVT/android-menudrawer - DEPRECATED A slide-out menu implementation, which allows users to navigate between views in your app.
• dmytrodanylyk/circular-progress-button - Android Circular Progress Button
• chrisjenx/Calligraphy - Custom fonts in Android the easy way...
• bauerca/drag-sort-listview - Android ListView with drag and drop reordering.
• johannilsson/android-pulltorefresh - This project aims to provide a reusable pull to refresh widget for Android.
• mcxiaoke/android-volley - Android Volley Library Mirror
• Prototik/HoloEverywhere - NO LONGER MAINTAINED. DEVELOP FOR 4.X+ DUDE.
• Trinea/android-common - Android common lib, include ImageCache, HttpCache, DropDownListView, DownloadManager, Utils and so on
• apache/storm - Mirror of Apache Storm
• apache/cassandra - Mirror of Apache Cassandra
• traex/RippleEffect - Implementation of Ripple effect from Material Design for Android API 9+
• googlesamples/android-topeka - A fun to play quiz that showcases material design on Android
• JetBrains/intellij-community - IntelliJ IDEA Community Edition
• ACRA/acra - Application Crash Reports for Android
• square/android-times-square - Standalone Android widget for picking a single date from a calendar view.
• JakeWharton/u2020 - A sample Android app which showcases advanced usage of Dagger among other open source libraries.
• yangfuhai/afinal - Afinal是一个android的ioc，orm框架，内置了四大模块功能：FinalAcitivity,FinalBitmap,FinalDb,FinalHttp。通过finalActivity，我们可以通过注解的方式进行绑定ui和事件。通过finalBitmap，我们可以方便的加载bitmap图片，而无需考虑oom等问题。通过finalDB模块，我们一行代码就可以对android的sqlite数据库进行增删改查。通过FinalHttp模块，我们可以以ajax形式请求http数据。详情请通过以下网址查看。
• hdodenhof/CircleImageView - A circular ImageView for Android
• Comcast/FreeFlow - A layout engine for Android that decouples layouts from the View containers that manage scrolling and view recycling. FreeFlow makes it really easy to create custom layouts and beautiful transition animations as data and layouts change
• alibaba/druid - 为监控而生的数据库连接池！
• k9mail/k-9 - K-9 Mail – Advanced Email for Android
• theDazzler/droidicon - Over 1600 customizable icons for Android including 750+ Google Material Design icons, 25 ready-made social badges, and more!
• rey5137/material - A library to bring fully animated Material Design components to pre-Lolipop Android.
• processing/processing - Source code for the Processing Development Environment (PDE)
• orientechnologies/orientdb - OrientDB is the first Multi-Model DBMS with Document & Graph engine. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing, Reactive Queries and has a small memory footprint. OrientDB is licensed with Apache 2 license and the development is driven by Orient Technologies and a wide Open Source community.
• JakeWharton/hugo - Annotation-triggered method call logging for your debug builds.
• vinc3m1/RoundedImageView - A fast ImageView that supports rounded corners, ovals, and circles.
• rengwuxian/MaterialEditText - EditText in Material Design
• openaphid/android-flip - A component for flip animation on Android, which is similar to the effect in Flipboard iPhone/Android
• druid-io/druid - Column oriented distributed data store ideal for powering interactive applications
• go-lang-plugin-org/go-lang-idea-plugin - Google Go language IDE built using the IntelliJ Platform
• airbnb/aerosolve - A machine learning package built for humans.
• qii/weiciyuan - Sina Weibo Android Client
• jgilfelt/android-viewbadger - A simple way to "badge" any given Android view at runtime without having to cater for it in layout
• yui/yuicompressor - YUI Compressor
• neo4j/neo4j - Graphs for Everyone
• BoltsFramework/Bolts-Android - Bolts is a collection of low-level libraries designed to make developing mobile apps easier.
• romannurik/muzei - Muzei Live Wallpaper for Android
• JetBrains/kotlin - The Kotlin Programming Language
• daimajia/AndroidImageSlider - An amazing and convenient Android image slider.
• twall/jna - Java Native Access
• daimajia/NumberProgressBar - A beautiful, slim Android ProgressBar.
• pedrovgs/EffectiveAndroidUI - Sample project created to show some of the best Android practices to work in the Android UI Layer. The UI layer of this project has been implemented using MVP or MVVM (without binding engine) to show how this patterns works. This project is used during the talk "EffectiveAndroidUI".
• androidquery/androidquery - AndroidQuery
• singwhatiwanna/dynamic-load-apk - DL : dynamic load framework in android
• path/android-priority-jobqueue - A Job Queue specifically written for Android to easily schedule jobs (tasks) that run in the background, improving UX and application stability.
• jgilfelt/SystemBarTint - Apply background tinting to the Android system UI when using KitKat translucent modes
• h2oai/h2o-2 - h2o = fast statistical, machine learning & math runtime for bigdata
• frogermcs/InstaMaterial - Implementation of Instagram with Material Design (originally based on Emmanuel Pacamalan's concept)
• yixia/VitamioBundle - Vitamio for Android
• jeresig/processing-js - A port of the Processing visualization language to JavaScript.
• avast/android-styled-dialogs - Backport of Material dialogs with easy-to-use API based on DialogFragment
• gocd/gocd - Main repository for Go Continuous Delivery
• wasabeef/recyclerview-animators - An Android Animation library which easily add itemanimator to RecyclerView items.
• dmytrodanylyk/android-process-button - Android Buttons With Built-in Progress Meters.
• koral--/android-gif-drawable - Views and Drawable for displaying animated GIFs on Android
• pakerfeldt/android-viewflow - A horizontal view scroller library for Android
• google/ExoPlayer - An extensible media player for Android
• SpecialCyCi/AndroidResideMenu - The idea of ResideMenu is from Dribbble 1 and 2. It has come true and run in iOS devices. iOS ResideMenu This project is the RefsideMenu Android version. The visual effect is partly referred to iOS version of ResideMenu. And thanks to the authors for the above idea and contribution.
• reactor/reactor - Reactor is a foundational library for building reactive fast-data applications on the JVM.
• Wizcorp/phonegap-facebook-plugin - The official plugin for Facebook in Apache Cordova/PhoneGap
• ikew0ng/SwipeBackLayout - An Android library that help you to build app with swipe back gesture.
• jfeinstein10/JazzyViewPager - An easy to use ViewPager that adds an awesome set of custom swiping animations. Just change your ViewPagers to JazzyViewPagers, two more steps, and you're good to go!
• Bukkit/Bukkit - The Minecraft Mod API
• lgvalle/Material-Animations - Android Transition animations explanation with examples.
• derekbrameyer/android-betterpickers - Android library for better Picker DialogFragments
• markushi/android-ui - Android UI library.
• tjerkw/Android-SlideExpandableListView - A better ExpandableListView, with animated expandable views for each list item
• balysv/material-menu - Animations for Android L drawer, back, dismiss and check icons
• openhab/openhab - Source code of the open Home Automation Bus (openHAB)
• haifengl/smile - Statistical Machine Intelligence & Learning Engine
• google/closure-compiler - A JavaScript checker and optimizer.
• pedrovgs/DraggablePanel - Android library used to create an awesome Android UI based on a draggable element similar to the last YouTube graphic component.
• Bilibili/DanmakuFlameMaster - 大弹幕时代来临了,这里是Android上最好的开源弹幕引擎·烈焰弹幕使 ～ 被弹幕吞噬吧!
• jdamcd/android-crop - Android library project for cropping images
• race604/FlyRefresh - The implementation of https://dribbble.com/shots/2067564-Replace
• SeleniumHQ/selenium - A browser automation framework and ecosystem.
• tobie/ua-parser - A multi-language port of Browserscope's user agent parser.
• voldemort/voldemort - An open source clone of Amazon's Dynamo.
• Todd-Davies/ProgressWheel - A progress wheel for android, intended for use instead of the standard progress bar.
• SecUpwN/Android-IMSI-Catcher-Detector - AIMSICD • Fight IMSI-Catcher, StingRay and silent SMS!
• amplab/tachyon - A Reliable Memory Centric Distributed Storage System
• pedant/sweet-alert-dialog - SweetAlert for Android, a beautiful and clever alert dialog
• daimajia/AndroidViewHover - An elegant way to show your menu or messages.
• CyberAgent/android-gpuimage - Android filters based on OpenGL (idea from GPUImage for iOS)
• fqrouter/fqrouter - anti-GFW router
• square/sqlbrite - A lightweight wrapper around SQLiteOpenHelper which introduces reactive stream semantics to SQL operations.
• kikoso/android-stackblur - Android StackBlur is a library that can perform a blurry effect on a Bitmap based on a gradient or radius, and return the result. The library is based on the code of Mario Klingemann.
• typesafehub/config - Configuration library for JVM languages
• beworker/pinned-section-listview - Easy to use ListView with pinned sections for Android.
• ogaclejapan/SmartTabLayout - A custom ViewPager title strip which gives continuous feedback to the user when scrolling
• grails/grails-core - The Grails Web Application Framework
• alibaba/dexposed - dexposed enable 'god' mode for single android application.
• JohnPersano/SuperToasts - A library that extends the Android toast framework.
• robovm/robovm - Java bytecode ahead-of-time compiler and runtime library based on Android targeting iOS, Mac OS X and Linux
• wildfly/wildfly - WildFly Application Server
• nispok/snackbar - [DEPRECATED] Android Library that implements Snackbars from Google's Material Design documentation.
• gaylemcd/ctci - Cracking the Coding Interview
• lecho/hellocharts-android - Charts/graphs library for Android compatible with API 8+, several chart types with support for scaling, scrolling and animations
• videlalvaro/gifsockets - Real Time communication library using Animated Gifs as a transport™
• OpenTSDB/opentsdb - A scalable, distributed Time Series Database.
• Netflix/ice - AWS Usage Tool
• flavienlaurent/NotBoringActionBar - News Stand app makes the ActionBar not boring!
• spring-projects/spring-mvc-showcase - Demonstrates the features of the Spring MVC web framework
• saulmm/Android-Material-Examples - Little bites of Material Design
• PomepuyN/BlurEffectForAndroidDesign - Sample to show how to implement blur graphical tricks
• maurycyw/StaggeredGridView - A modified version of Android's experimental StaggeredGridView. Includes own OnItemClickListener and OnItemLongClickListener, selector, and fixed position restore.
• bluelinelabs/LoganSquare - Screaming fast JSON parsing and serialization library for Android.
• johannilsson/android-actionbar - Android Action Bar Implementation
• tinkerpop/gremlin - A Graph Traversal Language
• bigbluebutton/bigbluebutton - BigBlueButton is an open source web conferencing system for on-line learning.
• groovy/groovy-core - Groovy programming language
• edmodo/cropper - Android widget for cropping and rotating an image.
• facebook/conceal - Conceal provides easy Android APIs for performing fast encryption and authentication of data.
• chrisbanes/philm - Movie collection and information app for Android.
• neokree/MaterialNavigationDrawer - Navigation Drawer Activity with material design style and simplified methods
• JoanZapata/android-iconify - Android integration of multiple icon providers such as FontAwesome, Entypo, Typicons,...
• googlesamples/android-testing - A collection of samples demonstrating different frameworks and techniques for automated testing
• orhanobut/dialogplus - Advanced dialog solution for android
• JetBrains/ideavim - Vim emulation plug-in for IDEs based on the IntelliJ platform.
• psaravan/JamsMusicPlayer - A free, powerful and elegant music player for Android.
• stormzhang/9GAG - Android unofficial REST Client of 9GAG.
• code-mc/material-icon-lib - Library containing over 1000 material vector icons that can be easily used as Drawable or as a standalone View.
• mttkay/ignition - Kick-starts Android application development.
• sd6352051/NiftyDialogEffects - Nifty Modal Dialog Effects
• commonsguy/cw-advandroid - Source Code to The Busy Coder's Guide To Advanced Android Development
• JulienGenoud/android-percent-support-lib-sample - Just a sample of the android percent support lib
• xamarin/XobotOS - XobotOS - Android ported to C#
• jgilfelt/android-sqlite-asset-helper - An Android helper class to manage database creation and version management using an application's raw asset files
• flavienlaurent/datetimepicker - DateTimePicker is a library which contains the beautiful DatePicker that can be seen in the new Google Agenda app.
• detro/ghostdriver - Ghost Driver is an implementation of the Remote WebDriver Wire protocol, using PhantomJS as back-end
• http-kit/http-kit - http-kit is a minimalist, event-driven, high-performance Clojure HTTP server/client library with WebSocket and asynchronous support
• airbnb/airpal - Web UI for PrestoDB.
• JakeWharton/Telecine - Record full-resolution video on your Android devices.
• Flipboard/bottomsheet - Android component which presents a dismissible view from the bottom of the screen
• Netflix/curator - ZooKeeper client wrapper and rich ZooKeeper framework
• romainguy/google-io-2014 - Demo for the Material Witness talk I gave at Google I/O.
• addthis/stream-lib - Stream summarizer and cardinality estimator.
• mikepenz/LollipopShowcase - A simple app to showcase Androids Material Design and some of the cool new cool stuff in Android Lollipop. RecyclerView, CardView, ActionBarDrawerToggle, DrawerLayout, Animations, Android Compat Design, Toolbar
• eluleci/FlatUI - CengaLabs - Android FlatUI Kit
• cloudera/oryx - Simple real-time large-scale machine learning infrastructure.
• romainguy/ViewServer - Local server for Android's HierarchyViewer
• novoda/android-demos - Examples of Android applications
• alamkanak/Android-Week-View - Android Week View is an android library to display calendars (week view or day view) within the app. It supports custom styling.
• JakeWharton/timber - A logger with a small, extensible API which provides utility on top of Android's normal Log class.
• rockerhieu/emojicon - A library to show emoji in TextView, EditText (like WhatsApp) for Android
• Netflix/eureka - AWS Service registry for resilient mid-tier load balancing and failover.
• square/mortar - A simple library that makes it easy to pair thin views with dedicated controllers, isolated from most of the vagaries of the Activity life cycle.
• thest1/LazyList - Lazy load of images in Android
• Malinskiy/SuperRecyclerView - Pumped up RecyclerView
• pushtorefresh/storio - Beautiful API for SQLiteDatabase and ContentResolver
• avast/android-butterknife-zelezny - Android Studio plug-in for generating ButterKnife injections from selected layout XML.
• worker8/TourGuide - TourGuide is an Android library that aims to provide an easy way to add pointers with animations over a desired Android View
• wasabeef/richeditor-android - RichEditor for Android is a beautiful Rich Text WYSIWYG Editor for Android.
• orhanobut/hawk - Secure Simple Key-Value Storage for Android
• JakeWharton/scalpel - A surgical debugging tool to uncover the layers under your app.
• apache/lucene-solr - Mirror of Apache Lucene & Solr
• yahoo/mysql_perf_analyzer - MySQL Performance Analyzer
• apache/cordova-android - Mirror of Apache Cordova Android
• MikeOrtiz/TouchImageView - Adds touch functionality to Android ImageView.
• grantland/android-autofittextview - A TextView that automatically resizes text to fit perfectly within its bounds.
• tinkerpop/blueprints - A Property Graph Model Interface
• satyan/sugar - Insanely easy way to work with Android Database.
• baoyongzhang/SwipeMenuListView - A swipe menu for ListView.
• siyamed/android-satellite-menu - Android Satellite Menu
• rstudio/rstudio - RStudio is an integrated development environment (IDE) for R
• square/keywhiz - A system for distributing and managing secrets
• cucumber/cucumber-jvm - Cucumber for the JVM
• square/flow - A small library that helps with describing an app as a collection of moderately independent screens.
• saulmm/Material-Movies - An application about movies with material design
• Flowdalic/asmack - A build environment for the XMPP client library Smack on Android
• lawloretienne/QuickReturn - Showcases QuickReturn UI Pattern as either a header, footer, or both header and footer
• apache/zookeeper - Mirror of Apache Hadoop ZooKeeper
• kymjs/KJFrameForAndroid - It's an Android ORM and IOC framework and includes UILibrary, PluginLibrary, HttpLibrary, BitmapLibrary, DBLibrary. KJFrameForAndroid is designed to wrap complexity of the Android native SDK and keep things simple.
• ManuelPeinado/GlassActionBar - Android - a library that adds a glass-like effect to the action bar.
• qiujuer/Genius-Android - Android Material Design Theme UI and Tool Library.
• jjoe64/GraphView - Android Graph Library for creating zoomable and scrollable line and bar graphs.
• tehmou/rx-android-architecture - An example project of an Android architecture built on RxJava
• purplecabbage/phonegap-plugins - Plugins for use with PhoneGap.
• commonsguy/cw-android - Source Code to The Busy Coder's Guide To Android Development
• wasabeef/Blurry - Blurry is an easy blur library for Android
• oguzbilgener/CircularFloatingActionMenu - an animated circular menu for Android
• Codecademy/EventHub - An open source event analytics platform
• harism/android_page_curl - An example application for creating page curl/flip effect on Android using OpenGL ES.
• TonicArtos/StickyGridHeaders - This project has been superseded by SuperSLiM, a layout manager for RecyclerView. I strongly recommend using SuperSLiM and not StickyGridHeaders.
• ikimuhendis/LDrawer - Android drawer icon with material design animation
• RomainPiel/Shimmer-android - An Android TextView with a shimmering effect
• white-cat/ThinkAndroid - ThinkAndroid是一个免费的开源的、简易的、遵循Apache2开源协议发布的Android开发框架，其开发宗旨是简单、快速的进行 Android应用程序的开发，包含Android mvc、简易sqlite orm、ioc模块、封装Android httpclitent的http模块, 具有快速构建文件缓存功能，无需考虑缓存文件的格式，都可以非常轻松的实现缓存，它还基于文件缓存模块实现了图片缓存功能， 在android中加载的图片的时候，对oom的问题，和对加载图片错位的问题都轻易解决。他还包括了一个手机开发中经常应用的实用工具类， 如日志管理，配置文件管理，android下载器模块，网络切换检测等等工具。
• twitter/ambrose - A platform for visualization and real-time monitoring of data workflows
• antoniolg/MaterialEverywhere - Showcase of the new AppCompat 21, which includes new Material Theme, working in pre-21 devices.
• owncloud/android - The ownCloud Android App
• M66B/XPrivacy - XPrivacy - The ultimate, yet easy to use, privacy manager
• MinecraftForge/MinecraftForge - Modifications to the Minecraft base files to assist in compatibility between mods.
• googlemaps/android-maps-utils - Handy extensions to the Google Maps Android API.
• RobotiumTech/robotium - Like Selenium, but for Android
• Raizlabs/DBFlow - A blazing fast, powerful, and very simple ORM android database library that writes database code for you.
• loopj/android-smart-image-view - Android ImageView replacement which allows image loading from URLs or contact address book, with caching
• daimajia/AnimationEasingFunctions - Android Animation Easing Functions. Let's make animation more real!
• romainguy/road-trip - A sample Android application that demonstrates how to implement various visual effects.
• gephi/gephi - trunk
• eishay/jvm-serializers - Benchmark comparing serialization libraries on the JVM
• romannurik/Android-SwipeToDismiss - Android swipe-to-dismiss mini-library and sample code
• square/assertj-android - A set of AssertJ helpers geared toward testing Android.
• pnikosis/materialish-progress - A material style progress wheel compatible with 2.3
• daCapricorn/ArcMenu - An android custom view which looks like the menu in Path 2.0 (for iOS).
• twitter/commons - Twitter common libraries for python and the JVM
• ether/pad - Etherpad Open-Source Repository
• markushi/android-circlebutton - Circle button widget for Android
• johnkil/Android-AppMsg - In-layout notifications. Based on Toast notifications and article by Cyril Mottier (http://android.cyrilmottier.com/?p=773).
• jphp-compiler/jphp - An alternative to Zend PHP, like JRuby and Jython only for PHP
• MrEngineer13/SnackBar - toast-like alert pattern for Android inspired by the Google Material Design Spec
• chenupt/SpringIndicator - A spring indicator like Morning Routine guide.
• ragunathjawahar/android-saripaar - UI form validation library for Android
• eoecn/android-app - eoe的Android客户端源码
• watabou/pixel-dungeon - Traditional roguelike game with pixel-art graphics and simple interface
• todoroo/astrid - Astrid: Android's #1 Task Management Application
• torodb/torodb - ToroDB database
• pwnall/chromeview - Android WebView implementation that uses the latest Chromium code
• dlew/joda-time-android - Joda-Time library with Android specialization
• spring-projects/spring-security-oauth - Support for adding OAuth1(a) and OAuth2 features (consumer and provider) for Spring web applications.
• mongodb/mongo-hadoop - MongoDB Connector for Hadoop
• jackpal/Android-Terminal-Emulator - A VT-100 terminal emulator for the Android OS
• matrixxun/ProductTour - ProductTour is android sample project implementing a parallax effect welcome page using PageTransformer, similar to the one found in Google's app like Sheet, Drive, Docs...
• facebook/shimmer-android - An easy, flexible way to add a shimmering effect to any view in an Android app.
• JoanZapata/android-pdfview - A fast PDF reader component for Android development
• amulyakhare/TextDrawable - This light-weight library provides images with letter/text like the Gmail app. It extends the Drawable class thus can be used with existing/custom/network ImageView classes. Also included is a fluent interface for creating drawables and a customizable ColorGenerator.
• BonzaiThePenguin/WikiSort - Fast and stable sort algorithm that uses O(1) memory. Public domain.
• linkedin/pinot - A realtime distributed OLAP datastore
• sephiroth74/ImageViewZoom - Android ImageView widget with zoom and pan capabilities
• calabash/calabash-android - Automated Functional testing for Android based on cucumber
• lucasr/smoothie - Easy async loading for Android's ListView/GridView
• dexafree/MaterialList - An Android library aimed to get the beautiful CardViews that Google shows at its official design specifications
• yahoo/squidb - SquiDB is a SQLite database layer for Android
• ginatrapani/todo.txt-android - Official Todo.txt Android app for managing your todo.txt file stored in Dropbox.
• facebook/device-year-class - A library that analyzes an Android device's specifications and calculates which year the device would be considered "high end”.
• mttkay/droid-fu - A utility library for your daily Android needs
• jprante/elasticsearch-jdbc - JDBC importer for Elasticsearch
• dm77/barcodescanner - Barcode Scanner Libraries for Android
• alexvasilkov/FoldableLayout - Android widgets to implement folding animation
• antoniolg/androidmvp - MVP Android Example
• lzyzsd/CircleProgress - CircleProgress, DonutProgress, ArcProgress
• kmshack/Android-ParallaxHeaderViewPager - NewsStand Application for Android's view of play, such as a pager function that implements the code.
• novoda/image-loader - Library for async image loading and caching on Android
• mihaip/dex-method-counts - Command-line tool to count per-package methods in Android .dex files
• dreamhead/moco - Easy Setup Stub Server
• apache/hadoop - Mirror of Apache Hadoop
• pingpongboss/StandOut - StandOut lets you easily create floating windows in your Android app.
• Tibolte/ElasticDownload - We are not Gif makers, We are developers
• flavienlaurent/discrollview - Scroll + discover = DiscrollView
• neokree/MaterialTabs - Custom Tabs with Material Design effects
• iPaulPro/aFileChooser - Android library that provides a file explorer to let users select files on external storage.
• linkedin/rest.li - Rest.li is a REST+JSON framework for building robust, scalable service architectures using dynamic discovery and simple asynchronous APIs.
• commonsguy/cwac-camera - CWAC-Camera: Taking Pictures. Made Sensible.
• brianfrankcooper/YCSB - Yahoo! Cloud Serving Benchmark
• balysv/material-ripple - Android L Ripple effect wrapper for Views
• LyndonChin/AndroidRubberIndicator - A rubber indicator
• ata4/disunity - An experimental toolset for Unity asset and asset bundle files.
• geometer/FBReaderJ - Official FBReaderJ project repository
• hmkcode/Android - Android related examples
• gabrielemariotti/RecyclerViewItemAnimators - An Android library which provides simple Item animations to RecyclerView items
• wordpress-mobile/WordPress-Android - WordPress for Android
• twitter/elephant-bird - Twitter's collection of LZO and Protocol Buffer-related Hadoop, Pig, Hive, and HBase code.
• jgilfelt/android-mapviewballoons - [DEPRECATED] Simple information balloon annotation for Android MapView
• drakeet/MaterialDialog - （Deprecated）An Android dialog library, has strong extensibility, customizability, and for conveniently building Material Design Dialog in Android version 2.2 ~ L.
• simpligility/android-maven-plugin - Maven Plugin for Android Application development and more
• code-mc/loadtoast - Pretty material design toasts with feedback animations
• vekexasia/android-edittext-validator - Android form edit text is an extension of EditText that brings data validation facilities to the edittext.
• jasonpolites/gesture-imageview - Implements pinch-zoom, rotate, pan as an ImageView for Android 2.1+
• koush/UrlImageViewHelper - Android library that sets an ImageView's contents from a url. Manages image downloading, caching, and makes your coffee too.
• blackfizz/EazeGraph - An Android chart and graph library
• RoboBinding/RoboBinding - A data-binding Presentation Model(MVVM) framework for the Android platform.
• baoyongzhang/android-PullRefreshLayout - This component like SwipeRefreshLayout, it is more beautiful than SwipeRefreshLayout.
• AntennaPod/AntennaPod - A podcast manager for Android
• RomainPiel/Titanic - Android experiment showing a sinking TextView
• mcharmas/android-parcelable-intellij-plugin - IntelliJ Plugin for Android Parcelable boilerplate code generation.
• h6ah4i/android-advancedrecyclerview - RecyclerView extension library which provides advanced features. (ex. Google's Inbox app like swiping, Play Music app like drag and drop sorting)
• antonkrasov/AndroidSocialNetworks - Library for easy work with Facebook, Twitter, LinkedIn and Google on Android
• romannurik/Android-WizardPager - Android pager-style wizard flow sample code
• guardianproject/ChatSecureAndroid - PLEASE REPORT ALL ISSUES ON OUR PROJECT HERE:
• Pkmmte/CircularImageView - Custom view for circular images in Android while maintaining the best draw performance
• syncany/syncany - Syncany is a cloud storage and filesharing application with a focus on security and abstraction of storage.
• kikoso/Swipeable-Cards - A native library providing a Tinder-like cards effect. A card can be constructed using an image and displayed with animation effects, dismiss-to-like and dismiss-to-unlike, and use different sorting mechanisms.
• mcharmas/Android-ReactiveLocation - Small library that wraps Google Play Service API in brilliant RxJava Observables reducing boilerplate to minimum.
• mikepenz/AboutLibraries - AboutLibraries is a library to offer some information of libraries.
• TonicArtos/SuperSLiM - A layout manager for the RecyclerView with interchangeable linear, grid, and staggered displays of views, all with configurable section headers including the sticky variety as specified in the material design docs.
• wrapp/floatlabelededittext - Floating hint from edit text - inspired by Matt D. Smith's design: http://dribbble.com/shots/1254439--GIF-Mobile-Form-Interaction?list=users
• romannurik/Android-MonthCalendarWidget - A simple example of a responsive Month Calendar app widget for Android
• Quinny898/PersistentSearch - A clone of the Google Now/Maps/Play persistent search bar
• tvbarthel/BlurDialogFragment - Library project to display DialogFragment with a blur effect.
• cloudera/flume - WE HAVE MOVED to Apache Incubator. https://cwiki.apache.org/FLUME/ . Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log data. It has a simple and flexible architecture based on streaming data flows. It is robust and fault tolerant with tunable reliability mechanisms and many failover and recovery mechanisms. The system is centrally managed and allows for intelligent dynamic management. It uses a simple extensible data model that allows for online analytic applications.
• frankiesardo/auto-parcel - Android Parcelable models made easy
• SpongePowered/Sponge - A Forge mod that implements SpongeAPI
• LarsWerkman/HoloColorPicker - An Android Holo themed colorpicker designed by Marie Schweiz
• facebook/network-connection-class - Listen to current network traffic in the app and categorize the quality of the network.
• nathanmarz/storm-starter - Learn to use Storm!
• tjake/Solandra - Solandra = Solr + Cassandra
• reactive-streams/reactive-streams-jvm - Reactive Streams Specification for the JVM
• Ereza/CustomActivityOnCrash - Android library that allows launching a custom activity when your app crashes, instead of showing the hated "Unfortunately, X has stopped" dialog.
• skavanagh/KeyBox - KeyBox is a web-based SSH console that centrally manages administrative access to systems. Web-based administration is combined with management and distribution of user's public SSH keys.
• richardwilly98/elasticsearch-river-mongodb - MongoDB River Plugin for ElasticSearch
• Jasig/cas - Apereo CAS - Single Sign On for the Web
• wangdan/AisenWeiBo - 新浪微博第三方Android客户端
• katzer/cordova-plugin-local-notifications - Cordova Local-Notification Plugin
• roomorama/Caldroid - A better calendar for Android
• inmite/android-selector-chapek - Android Studio plugin which automatically generates drawable selectors from appropriately named resources.
• chenupt/DragTopLayout - Drag down to show a view on the top.
• facebookarchive/hadoop-20 - Facebook's Realtime Distributed FS based on Apache Hadoop 0.20-append
• linkedin/indextank-engine - Indexing engine for IndexTank
• MiCode/Notes - 小米便签社区开源版（Community edition of XM notepad/MIUI notes)
• siyamed/android-shape-imageview - Custom shaped android imageview components
• asyl/ArcAnimator - ArcAnimator helps to create arc transition animation: 2.3.+
• LitePalFramework/LitePal - An Android library that allows developers to use SQLite database extremely easy.
• quartzjer/TeleHash - Old v1 repo, please see http://github.org/telehash now.
• bmelnychuk/AndroidTreeView - AndroidTreeView. TreeView implementation for android
• kanytu/android-parallax-recyclerview - An adapter which could be used to achieve a parallax effect on RecyclerView.
• Manabu-GT/ExpandableTextView - Android's TextView that can expand/collapse like the Google Play's app description
• JoanZapata/base-adapter-helper - Abstraction for the usual BaseAdapter "ViewHolder" pattern
• swissonid/android-design-support-lib-sample - Just Sample how to use the android design support lib
• ozodrukh/CircularReveal - Lollipop ViewAnimationUtils.createCircularReveal for everyone 2.3+
• undertow-io/undertow - High performance non-blocking webserver
• felipecsl/AsymmetricGridView - Android ListView that mimics a GridView with asymmetric items. Supports items with row span and column span
• chrisbanes/Android-BitmapCache - Android-BitmapCache is a specialised cache, for use with Android Bitmap objects.
• jpardogo/ListBuddies - Android library to achieve in an easy way, the behaviour of the home page in the Expedia app, with a pair of auto-scroll circular parallax ListViews.
• GDG-Korea/PinterestLikeAdapterView - An Android multi column list view like Pinterest.
• motianhuo/wechat - A High Copy WeChat ,SNS APP (高仿微信)
• daimajia/AnimeTaste - Taste global original animation
• AltBeacon/android-beacon-library - Allows Android apps to interact with BLE beacons
• liquibase/liquibase - Main Liquibase Source
• electronicarts/orbit - Orbit - Build distributed and scalable online services
• dinocore1/DevsmartLib-Android - A Horizontal ListView for Android
• andkulikov/Transitions-Everywhere - Backport of Transitions API for animations from Android KitKat and Lollipop. Compatible with Android 2.2+
• Skykai521/StickerCamera - This is an Android application with camera,picture cropping,collage sticking and tagging.贴纸标签相机,功能:拍照,相片裁剪,给图片贴贴纸,打标签。
• Avocarrot/json2view - Update native Android UI on the fly
• zzz40500/GsonFormat - 根据Gson库使用的要求,将JSONObject格式的String 解析成实体
• flavioarfaria/KenBurnsView - Android ImageViews animated by Ken Burns Effect
• alibaba/RocketMQ - 🚀 Alibaba's MQ, also aliyun ONS.
• MostafaGazar/CustomShapeImageView - Custom shape ImageView using PorterDuffXfermode with paint shapes and SVGs
• MizzleDK/Mizuu - Popular media indexer app for Android.
• sromku/android-simple-facebook - Simple Facebook SDK for Android
• chrisbanes/photup - photup
• linkedin/databus - Source-agnostic distributed change data capture system
• eowise/recyclerview-stickyheaders - DEPRECATED. Android library that integrate sticky section headers in your RecyclerView
• Diolor/Swipecards - A Tinder-like Android library to create the swipe cards effect. You can swipe left or right to like or dislike the content.
• ApmeM/android-flowlayout - Linear layout, that wrap its content to the next line if there is no space in the current line.
• MiCode/FileExplorer - MIUI文件管理器社区开源版（Community edition of MIUI File Explorer)
• jmxtrans/jmxtrans - jmxtrans
• wildabeast/BarcodeScanner - Official repository now at phonegap/phonegap-plugin-barcodescanner.
• opentripplanner/OpenTripPlanner - An open source multi-modal trip planner
• xcltapestry/XCL-Charts - Android图表库(XCL-Charts is a free charting library for Android platform.),基于Android Canvas来绘制各种图表,使用简便,定制灵活。目前支持3D/非3D/背向式/横向/竖向柱形图(Bar Chart)、3D/非3D饼图(Pie Chart)、堆叠图(Stacked Bar Chart)、面积图(Area Chart)、 折线图(Line Chart)、曲线图(Spline Chart)、环形图(Dount Chart)、南丁格尔玫瑰图(Rose Chart)、仪表盘(Dial Chart)、刻度盘(Gauge Chart)、雷达图(Radar Chart)、漏斗图(Funnel Chart)、圆形图(Circle Chart)、弧线比较图、散点图(Scatter Chart)、气泡图(Bubble Chart)、范围条形图(RangeBar Chart)等图表。其它特性还包括支持图表缩放、手势移动、点击响应、动画效果、多轴显示、图表参考线、混合图表及同数据源不同图表类型切换等。
• udacity/Sunshine-Version-2 - The official repository for Developing Android Apps
• soarcn/BottomSheet - One way to present a set of actions to a user is with bottom sheets, a sheet of paper that slides up from the bottom edge of the screen. Bottom sheets offer flexibility in the display of clear and simple actions that do not need explanation.
• spockframework/spock - The Enterprise-ready testing and specification framework.
• jpardogo/GoogleProgressBar - Android library to display progress like google does in some of his services.
• FasterXML/jackson-core - Core part of Jackson that defines Streaming API as well as basic shared abstractions
• expectedbehavior/gauges-android - Gaug.es Android App
• emilsjolander/sprinkles - Sprinkles is a boiler-plate-reduction-library for dealing with databases in android applications
• alibaba/cobar - 基于MySQL的分布式数据库服务中间件
• Clans/FloatingActionButton - Android Floating Action Button based on Material Design specification
• Trinea/android-auto-scroll-view-pager - Android auto scroll viewpager or viewpager in viewpager
• hoang8f/android-flat-button - FButton - a flat button library for Android
• alibaba/canal - 阿里巴巴mysql数据库binlog的增量订阅&消费组件
• MichaelEvans/ColorArt - iTunes 11-style color matching code for Android
• ManuelPeinado/MultiChoiceAdapter - Android - A ListView adapter with support for multiple choice modal selection
• alibaba/otter - 阿里巴巴分布式数据库同步系统(解决中美异地机房)
• zcweng/ToggleButton - ToggleButton Widget For Android Dev
• ToxicBakery/ViewPagerTransforms - Library containing common animations needed for transforming ViewPager scrolling for Android v13+.
• ratpack/ratpack - A toolkit for JVM web applications
• SonarSource/sonarqube - Put your technical debt under control
• passsy/android-HoloCircularProgressBar - Holo Circular ProgressBar
• HdrHistogram/HdrHistogram - A High Dynamic Range (HDR) Histogram
• Frank-Zhu/PullZoomView - An Android custom ListView and ScrollView with pull to zoom-in.
• sephiroth74/HorizontalVariableListView - Horizontal list view for Android which allows variable items widths
• linger1216/labelview - Sometimes, we need to show a label above an ImageView or any other views. Well, LabelView will be able to help you. It's easy to implement as well!
• Netflix/servo - Netflix Application Monitoring Library
• pigshell/pigshell - The missing shell for the web
• bluejamesbond/TextJustify-Android - Android Text Full Jusiftication / Wrapping / Justify / Hyphenate - V2.0
• mmin18/AndroidDynamicLoader - A plugin system that runs like a browser, but instead of load web pages, it load plugins which runs natively on Android system.
• LarsWerkman/QuickReturnListView - A implementation of Roman Nurik's and Nick Butcher's Quick Return UI patern for a listview.
• rudsonlive/NavigationDrawer-MaterialDesign - Library Navigation drawer material design
• glomadrian/material-animated-switch - A material Switch with icon animations and color transitions
• nkzawa/socket.io-client.java - Full-featured Socket.IO Client Library for Java, which is compatible with Socket.IO v1.0 and later.
• vrapper/vrapper - Vim-like editing in Eclipse
• davemorrissey/subsampling-scale-image-view - Highly configurable, easily extendable view with pan and zoom gestures for displaying huge images without loss of detail. Perfect for photo galleries, maps, building plans etc.
• RadiusNetworks/android-ibeacon-service - An Android library providing APIs to interact with iBeacons
• timehop/sticky-headers-recyclerview - Sticky Headers decorator for Android's RecyclerView
• google/grafika - Grafika test app
• mattdesl/lwjgl-basics - 🔧 LibGDX/LWJGL tutorials and examples
• JakeWharton/RxBinding - RxJava binding APIs for Android's UI widgets.
• chrislacy/TweetLanes - Tweet Lanes for Android
• gabrielemariotti/androiddev - Quick tips/tutorials for Android developers
• Rajawali/Rajawali - Android OpenGL ES 2.0/3.0 Engine
• dommerq/SuperListview - Deprecated. Way more than just a listview
• chiuki/advanced-textview - Advanced Android TextView
• alibaba/mdrill - for千亿数据即席分析
• FasterXML/jackson-databind - General data-binding package for Jackson (2.x): works on streaming API (core) implementation(s)
• hector-client/hector - a high level client for cassandra
• johnkil/Android-ProgressFragment - Implementation of the fragment with the ability to display indeterminate progress indicator when you are waiting for the initial data.
• BlueMor/Android-PullLayout - 仿UC天气下拉和微信下拉眼睛
• rmtheis/android-ocr - Experimental app for optical character recognition on Android.
• ChrisRenke/DrawerArrowDrawable - Visual back-port of the rotating drawer-to-arrow drawable from Android L
• ManuelPeinado/RefreshActionItem - Android - An action bar item which acts both as a refresh button and as a progress indicator
• apache/hive - Mirror of Apache Hive
• bingoogolapple/BGARefreshLayout-Android - 多种下拉刷新效果、上拉加载更多、可配置自定义头部广告位
• airbnb/DeepLinkDispatch - A simple, annotation-based library for making deep link handling better on Android
• yanchenko/droidparts - DI, ORM, JSON, ...
• rnewson/couchdb-lucene - Enables full-text searching of CouchDB documents using Lucene
• mrwonderman/android-square-progressbar - An android library to display a progressbar that goes around an image.
• Netflix/archaius - Library for configuration management API
• wnafee/vector-compat - A support library for VectorDrawable and AnimatedVectorDrawable classes introduced in Lollipop
• konifar/android-material-design-icon-generator-plugin - This plugin help you to set material design icon to your project.
• matburt/mobileorg-android - An implementation of MobileOrg for the Android platform
• eirslett/frontend-maven-plugin - "Maven-node-grunt-gulp-npm-node-plugin to end all maven-node-grunt-gulp-npm-plugins." A Maven plugin that downloads/installs Node and NPM locally, runs NPM install, Grunt, Gulp and/or Karma.
• anton46/Android-StepsView - Android-StepsView
• tuesda/CircleRefreshLayout - a custom pull-to-refresh layout which contains a interesting animation
• akexorcist/Android-RoundCornerProgressBar - Round Corner Progress Bar Library for Android
• unclebob/fitnesse - FitNesse -- The Acceptance Test Wiki
• jeeeyul/eclipse-themes - Full Featured Eclipse Theme Customizer!
• Netflix/exhibitor - ZooKeeper co-process for instance monitoring, backup/recovery, cleanup and visualization.
• MostafaGazar/soas - Native Android "sample of all samples" for beginners and experienced, 14+, with focus on lollipop and Material
• geftimov/android-player - Android animation when entering new screen.
• ppamorim/Dragger - Animate your activity!
• gabrielemariotti/changeloglib - Android Library to display your changelog
• skyfishjy/android-ripple-background - A beautiful ripple animation for your app
• thiagolocatelli/android-uitableview - Library and example project on how to use the UITableView component
• JakeWharton/ThreeTenABP - An adaptation of the JSR-310 backport for Android.
• foxykeep/DataDroid - An Android Library for data management
• iPaulPro/Android-ItemTouchHelper-Demo - Basic example of using ItemTouchHelper to add drag & drop and swipe-to-dismiss to RecyclerView.
• etsy/oculus - The metric correlation component of Etsy's Kale system
• emmaguy/clean-status-bar - Tidy up your Android status bar before taking screenshots for the Play Store
• douglascraigschmidt/POSA-14 - This repository contains assignments and examples for the 2014 offering of the POSA MOOC (see www.coursera.org/course/posa for more information)
• eclipse-color-theme/eclipse-color-theme - Color themes for Eclipse
• nhaarman/supertooltips - SuperToolTips
• woozzu/IndexableListView - iPhone like fast scroll ListView on Android
• killme2008/Metamorphosis - A high available,high performance distributed messaging system.
• sikuli/sikuli - Sikuli's official repository on github. Ask questions or report bugs at http://launchpad.net/sikuli.
• JakeWharton/Android-DirectionalViewPager - [DEPRECATED] Implementation of the compatibility library ViewPager class that supports paging both vertically and horizontally.
• VoltDB/voltdb - VoltDB
• cgeo/cgeo - c:geo - The powerful Android geocaching app.
• kyleduo/SwitchButton - A cute widget of Switch Button for you to create beautiful and friendly UI.
• traex/ExpandableLayout - Implementation of ExpandableListview with custom header and custom content.
• adnan-SM/TimelyTextView - Animated TextView like Timely app
• kanytu/android-material-drawer-template - An Android template with navigation drawer for material design
• zzz40500/android-shapeLoadingView - 高仿新版58 加载动画
• ervandew/eclim - Expose eclipse features inside of vim.
• oschina/android-app - 本项目已经迁移到 git.oschina.net ，此处不再更新！
• dodola/android_waterfall - Android版的瀑布流布局
• apache/camel - Mirror of Apache Camel
• smanikandan14/Volley-demo - An demonstration of Volley - HTTP library announced by google in I/O 2013. Illustrates, JSONRequest,StringRequest, Image caching.
• nirhart/ParallaxScroll - Parallax ScrollView and ListView for Android
• frakbot/JumpingBeans - A Span-based library to make your text jump like Mexican beans. Oh, and the "..."s in Hangouts.
• google/google-authenticator - Open source version of Google Authenticator (except the Android app)
• nvanbenschoten/motion - An Android library allowing images to exhibit a parallax effect that reacts to the device's tilt
• telly/MrVector - [Deprecated] AKA VectorDrawableCompat: A 7+ backport of VectorDrawable
• davidschreiber/FancyCoverFlow - A cool Open Source CoverFlow view for Android with several fancy effects.
• glyptodon/guacamole-client - The HTML5/JavaScript Guacamole client, its containing web application, and related components.
• sqlcipher/android-database-sqlcipher - Android SQLite API based on SQLCipher
• apache/incubator-zeppelin - Mirror of Apache Zeppelin (Incubating)
• hoang8f/android-segmented-control - ios7 UISegmentedControl for android
• erikwt/PullToRefresh-ListView - A generic, customizable, open source Android ListView implementation that has 'Pull to Refresh' functionality.
• vikramkakkar/SublimePicker - A material-styled android view that provisions picking of a date, time & recurrence option, all from a single user-interface.
• saik0/UnifiedPreference - A convinience library for working with all versions of the Android Preference package from API v4 and up
• linkedin/camus - LinkedIn's Kafka to HDFS pipeline.
• tokudu/AndroidPushNotificationsDemo - A example of an android app that receives push notifications using MQTT.
• jlmd/AnimatedCircleLoadingView - An animated circle loading view
• lorensiuswlt/NewQuickAction - Android QuickAction
• johnkil/Android-RobotoTextView - Implementation of a TextView and all its direct/indirect subclasses with native support for the Roboto fonts, includes the brand new Roboto Slab fonts.
• gorbin/ASNE - ASNE library for simple integration of social networks: Twitter, Facebook, Google Plus, LinkedIn, Instagram, Vkontakte, Odnoklassniki
• txusballesteros/bubbles-for-android - Bubbles for Android is an Android library to provide chat heads capabilities on your apps. With a fast way to integrate with your development.
• BlueMor/DragLayout - An Android Project.强迫症头像制作器，使用support.v4包下的ViewDragHelper实现QQ5.0侧滑
• shell-software/fab - Floating Action Button Library for Android
• evant/JobSchedulerCompat - [Deprecated] A backport of Android Lollipop's JobScheduler to api 10+
• 58code/Argo - 58.com轻量级web框架
• linkedin/datafu - Hadoop library for large-scale data processing, now an Apache Incubator project
• nasa/mct - Mission Control Technologies is a real-time monitoring and visualization platform. See an overview and demo at http://ti.arc.nasa.gov/OpenMCT/. Download MCT plugins at https://github.com/nasa/MCT-Plugins.
• osmandapp/Osmand - osmand
• mikepenz/Android-ActionItemBadge - This library offers a simple method to add a small badge icon to your ActionBar-MenuItem
• apache/tomcat - Mirror of Apache Tomcat
• Trinea/android-demo - Android common lib demo, include ImageCache, HttpCache, DropDownListView, DownloadManager, install apk silent and so on, you can find description
• dmytrodanylyk/shadow-layout - Android Shadow Layout
• AndroidAlliance/EdgeEffectOverride - Override the Holo EdgeEffect colors
• paddybyers/anode - Android framework for node.js applications
• liaohuqiu/android-GridViewWithHeaderAndFooter - A GridView which can addHeaderView and addFooterView
• jenzz/Android-UndoBar - An implementation of Android's Undo Bar as seen in Google's Gmail app.
• jeromevdl/android-holo-colors-idea-plugin - IntelliJ / Android Studio plugin for Android Holo Colors
• LyndonChin/MasteringAndroidDataBinding - A comprehensive tutorial for Android Data Binding
• sd6352051/NiftyNotification - effects for android notifications
• toddway/MaterialTransitions - Sample material transition animations for Android
• square/phrase - Phrase is an Android string resource templating library
• spring-projects/spring-petclinic - A sample Spring-based application
• splitwise/TokenAutoComplete - Gmail style MultiAutoCompleteTextView for Android
• redwarp/9-Patch-Resizer - A resizer tool to automaticaly resize png files and 9 patches in several densities
• ongakuer/CircleIndicator - A lightweight viewpager indicator like in nexus 5 launcher
• jpardogo/FlabbyListView - Android library to display a ListView whose cells are not rigid but flabby and react to ListView scroll.
• apache/flink - Mirror of Apache Flink
• robotmedia/AndroidBillingLibrary - Android Market In-app Billing Library
• e-biz/androidkickstartr - AndroidKickstartR helps you to quickly create a well configured Android application using the most popular libraries. It creates and configures your project for you. Just focus on code!
• traex/CalendarListview - Implementation of a calendar in a ListView. One month by row
• f2prateek/progressbutton - A custom progress indicator with a tiny footprint.
• HazyResearch/deepdive - DeepDive
• jonfinerty/Once - A small Android library to manage one-off operations.
• thyrlian/AwesomeValidation - Android validation library which helps developer boil down the tedious work to three easy steps.
• fearofcode/bateman - Simple stock trading system that optimizes its parameters with particle swarm optimization
• spring-projects/spring-android-samples - Spring for Android Sample Applications
• scobal/seyren - An alerting dashboard for Graphite
• pedrovgs/Renderers - Renderers is an Android library created to avoid all the boilerplate needed to use a RecyclerView/ListView with adapters.
• lovetuzitong/MultiImageSelector - Image selector for Android device. Support single choice and multi-choice.
• Sefford/CircularProgressDrawable - A drawable with capabilities to indicate progress.
• JetBrains/MPS - JetBrains Meta programming System
• tomakehurst/wiremock - A tool for mocking HTTP services
• linroid/FilterMenu - An implemention of Filter Menu concept for android
• BroadleafCommerce/BroadleafCommerce - Broadleaf Commerce - Enterprise eCommerce framework based on Spring
• lsjwzh/RecyclerViewPager - A ViewPager implemention base on RecyclerView's code. Support fling operation like gallary.
• ZhouWeikuan/cocos2d - cocos2d for android, based on cocos2d-android-0.82, and now ported from cocos2d-iphone 0.99.4. The googlecode address is here: http://code.google.com/p/cocos2d-android-1/ . There are several demos to watch.
• Maxwin-z/XListView-Android - ListView supports pull refresh and pull up to load more feature.
• variety/variety - A schema analyzer for MongoDB
• playgameservices/android-basic-samples - Google Play game services - Android samples
• joyoyao/superCleanMaster - 一键清理 开源版，包括内存加速，缓存清理，自启管理，软件管理等。
• ikew0ng/Dribbo - Dribbble客户端
• DWorkS/VolleyPlus - Volley library : make everything faster . Its an improvements for Volley by Google for Android https://android.googlesource.com/platform/frameworks/volley
• etao-open-source/cube-sdk - A light package for Android development, it handles loading image and network request.
• carlonzo/StikkyHeader - This is a very simple library for Android that allows you to stick an header to a scrollable view and easily apply animation to it
• medyo/fancybuttons - An Android library to easily create fancy buttons without the need of drawable files.
• infinum/android_dbinspector - Android library for viewing and sharing in app databases.
• codebutler/farebot - Read data from public transit cards using your NFC Android phone!
• spring-projects/spring-integration-samples - You are looking for examples, code snippets, sample applications for Spring Integration? This is the place.
• spring-projects/spring-android - Support for using Spring when developing native Android applications.
• emilsjolander/StickyScrollViewItems - A small android library for tagging views inside a ScrollView as "sticky" making them stick to the top of the scroll container until a new sticky view comes and takes it's place
• dynjs/dynjs - ECMAScript runtime for the JVM
• 2dxgujun/AndroidTagGroup - 🍀A beautiful android tag group widget.
• MartinRGB/GiftCard-Android - Simply Implement Dribbble's popular shot
• Rogero0o/MatchView - Include MatchTextView and MatchButton..Come..you will like it
• mitallast/diablo-js - Isometric minimal-code style game at html5 canvas and javascript
• geftimov/android-pathview - Android view with both path from constructed path or from svg.
• afollestad/material-cab - A simple library for Android, which replaces the stock contextual action bar to allow more customization.
• moagrius/TileView - The TileView widget is a subclass of ViewGroup that provides a mechanism to asynchronously display tile-based images for the Android mobile-application development framework, with additional functionality for 2D dragging, flinging, pinch or double-tap to zoom, adding overlaying Views (markers), built-in Hot Spot support, dynamic path drawing, multiple levels of detail, and support for any relative positioning or coordinate system.
• baasbox/baasbox - The BaasBox server
• apache/incubator-groovy - Mirror of Apache Groovy (Incubating)
• houkx/android-pluginmgr - apk plug apkplug apk load
• bpellin/keepassdroid - KeePass implementation for android
• Pixplicity/MultiViewPager - The MultiViewPager is an extension of the support-v4 library's ViewPager that allows the pages to be wider or narrower than the ViewPager itself. It takes care of aligning the pages next to each other, and always keeping the selected page centered.
• square/seismic - Android device shake detection.
• apache/mahout - Mirror of Apache Mahout
• sinaweibosdk/weibo_android_sdk - 新浪微博 Android SDK
• lsjwzh/MaterialLoadingProgressBar - MaterialLoadingProgressBar provide a styled ProgressBar which looks like SwipeRefreshLayout's loading indicator(support-v4 v21+)
• dmitry-zaitsev/AndroidSideMenu - Side menu for android applications
• mik3y/usb-serial-for-android - Android USB host serial driver library for CDC, FTDI, Arduino and other devices.
• jacobmoncur/QuiltViewLibrary - Android Quilt View Library
• tekinarslan/AndroidMaterialDesignToolbar - Android Sample Project with Material Design and Toolbar.
• pents90/svg-android - Support for scalable vector graphics in Android
• KylinOLAP/Kylin - This code base is retained for historical interest only, please visit Apache Incubator Repo for latest one
• darvds/RibbonMenu - Navigation menu for Android (based off Google+ app)
• beworker/tinybus - Simple, lightweight and fast event bus tailored for Android
• nathanmarz/storm-contrib - A collection of spouts, bolts, serializers, DSLs, and other goodies to use with Storm
• emilsjolander/android-FlipView - A small, easy to use android library for implementing flipping between views as seen in the popular Flipboard application
• bboyfeiyu/AndroidEventBus - A lightweight eventbus library for android, simplifies communication between Activities, Fragments, Threads, Services, etc.
• lucasr/android-layout-samples - Explorations around Android custom layouts
• lewisjdeane/L-Dialogs - A small library replicating the new dialogs in android L.
• askerov/DynamicGrid - Drag and drop GridView for Android
• zzz40500/AndroidSweetSheet - 一个富有动感的Sheet(选择器)
• wangjiegulu/RapidFloatingActionButton - Quick solutions for Floating Action Button，RapidFloatingActionButton（RFAB）
• FaizMalkani/Fabulous - [DEPRECATED]
• premnirmal/Magnet - A library that makes it very simple to create a window icon, similar to Facebooks chat icon.
• BoD/android-switch-backport - A backport of the SwitchPreference component that was introduced on Android 4 (ICS / level 14). This port works on Android 2.1+ (Eclair MR1 / level 7).
• agirbal/umongo - Desktop app to browse and administer your MongoDB cluster
• WhisperSystems/BitHub - BTC + BitHub = An experiment in funding privacy OSS.
• vinaysshenoy/mugen - Microlibrary for implementing infinite scroll on Android
• impetus-opensource/Kundera - A JPA 2.1 compliant Polyglot Object-Datastore Mapping Library for NoSQL Datastores.Please subscribe to:
• apache/solr - Mirror of Apache Solr
• survivingwithandroid/WeatherLib - Android Weather Library: android weather lib to develop weather based app fast and easily
• rno/Android-ScrollBarPanel - Android-ScrollBarPanel allows to attach a View to a scroll indicator like it's done in Path 2.0
• iammert/MusicPlayerView - Android custom view and progress for music player
• MatthewYork/Colours - A beautiful set of predefined colors and a set of color methods to make your Android development life easier.
• ogaclejapan/ArcLayout - A very simple arc layout library for Android
• SeldonIO/seldon-server - Serves predictions via a REST API
• PaperAirplane-Dev-Team/BlackLight - A light Sina Weibo client for Android
• JakeWharton/SwipeToDismissNOA - Backport of Roman Nurik's "Swipe-to-dismiss" sample code using NineOldAndroids to work on all API levels.
• AlbertGrobas/MovingImageView - Custom ImageView for moving image around the screen (Android)
• mattprecious/telescope - A simple tool to allow easy bug report capturing within your app.
• Netflix/Priam - Co-Process for backup/recovery, Token Management, and Centralized Configuration management for Cassandra.
• alibaba/TProfiler - TProfiler是一个可以在生产环境长期使用的性能分析工具
• couchbase/couchbase-lite-android - Lightweight, embedded, syncable NoSQL database engine for Android.
• code4craft/netty-learning - Netty learning.
• HackPlan/AndroidCharts - An easy-to-use Android charts library with animation.
• bitfireAT/davdroid - DAVdroid – CalDAV/CardDAV synchronization for Android 4+ devices
• rampo/UpdateChecker - Increase your app's updates
• AChep/AcDisplay - AcDisplay is a new way of handling notifications in Android.
• drakeet/SmsCodeHelper - A very beautiful and easy to use app: "SmsCodeHelper" (verification code helper), light, open source, it can automatically copy the code to the user's clipboard, when the user receives the message verification code. Material Design and open source: http://fir.im/codehelper (or Google Play "SmsCodeHelper")
• dannytiehui/androidpn - An open source project to provide push notification support for Android -- a xmpp based notification server and a client tool kit.
• card-io/card.io-Android-SDK - card.io provides fast, easy credit card scanning in mobile apps
• soarcn/UndoBar - Android Library that implements Snackbars (former known as Undobar) from Google's Material Design documentation.
• elastic/elasticsearch-hadoop - Elasticsearch real-time search and analytics natively integrated with Hadoop
• commonsguy/cwac-merge - CommonsWare Android Components: MergeAdapter
• SimonVT/MessageBar - An Android Toast replacement, similar to the one seen in the GMail app.
• lucasr/dspec - Define and render UI specs on top of your Android UI
• grandcentrix/tray - a SharedPreferences replacement for Android with multiprocess support
• chrisjenx/ParallaxScrollView - A Parallax ScrollView which takes a background and foreground views - DEPRECATED
• JMPergar/AwesomeText - A tool that facilitates working with Spans on TextViews or any extension of them (EditTexts, Buttons...).
• dersoncheng/MultipleTheme - Android换肤／夜间模式的Android框架，配合theme和换肤控件框架可以做到无缝切换换肤（无需重启应用和当前页面）。 This framework of Android app support multiple theme(such as day/night mode) and needn’t finish current application or current activity when you switch theme-mode.
• trifork/erjang - A JVM-based Erlang VM
• jess-anders/two-way-gridview - An Android GridView that can be configured to scroll horizontally or vertically
• bagilevi/android-pedometer - App for Android phones that counts your steps.
• JorgeCastilloPrz/FABProgressCircle - Material progress circle around any FloatingActionButton. 100% Guidelines.
• tigerguixh/QuickNews - this is a news to the client
• Estimote/Android-SDK - Estimote SDK for Android
• quiqueqs/BabushkaText - A simpler way to style your TextViews
• tavendo/AutobahnAndroid - WebSocket & WAMP in Java for Android
• linkedin/cleo - A flexible, partial, out-of-order and real-time typeahead search library
• guerwan/TransitionsBackport - A backport of the new Transitions API for Android
• QuantumBadger/RedReader - An unofficial open source Reddit client for Android.
• databricks/learning-spark - Example code from Learning Spark book
• SimonVT/android-numberpicker - A backport of the Android 4.2 NumberPicker
• alibaba/zeus - Hadoop作业平台