Open Source Repositories

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

The React Framework

The agent engineering platform

FastAPI framework, high performance, easy to learn, fast to code, ready for production

An extremely fast Python package and project manager, written in Rust.

A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the application on demand. Through "loaders", modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.

🌴 Empowering everyone to build reliable and efficient smart contracts.

The Full-Stack Vue Framework.

The web framework for content-driven websites. ⭐️ Star to support our work!

An extremely fast Python linter and code formatter, written in Rust.

Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB

🐠 Babel is a compiler for writing next generation JavaScript.

Python SDK, Proxy Server (AI Gateway) to call 100+ LLM APIs in OpenAI (or native) format, with cost tracking, guardrails, loadbalancing and logging. [Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic, Sagemaker, HuggingFace, VLLM, NVIDIA NIM]

Rust-based platform for the Web

Build system optimized for JavaScript and TypeScript, written in Rust

🕸️ Web apps in pure Python 🐍

Data validation using Python type hints

A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.

Cross-platform Rust rewrite of the GNU coreutils

Prefect is a workflow orchestration framework for building resilient data pipelines in Python.

Production-grade Rust-native trading engine with deterministic event-driven architecture

⚓ A collection of high-performance JavaScript tools.

Turso is an in-process SQL database, compatible with SQLite.

Asynchronous HTTP client/server framework for asyncio and Python

Rust bindings for the Python interpreter

🤖 A client-first, server-capable, fully type-safe router and full-stack framework for the web (React and more).

Fast Rust bundler for JavaScript/TypeScript with Rollup-compatible API.

Fast Rust-based bundler for the web with a modernized webpack API 🦀

An ASGI web server, for Python. 🦄

Facilitating high-level interactions between Wasm modules and JavaScript

The AI framework that adds the engineering to prompt engineering (Python/TS/Ruby/Java/C#/Rust/Go compatible)

The JavaScript / Wasm runtime that powers Cloudflare Workers

A system-level, binary package and environment manager running on all major operating systems and platforms.

OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.

Robyn is a Super Fast Async Python Web Framework with a Rust runtime.

Sccache is a ccache-like tool. It is used as a compiler wrapper and avoids compilation when possible. Sccache has the capability to utilize caching in remote storage environments, including various cloud storage options, or alternatively, in local storage.

OpenTelemetry Collector

Open Source Inventory Management System

Python datetimes made easy

A minimal, secure Python interpreter written in Rust for use by AI

Event-driven networking engine written in Python.

Python Classes Without Boilerplate

MUI X: Build complex and data-rich applications using a growing list of advanced React components, like the Data Grid, Date and Time Pickers, Charts, and more!

Merge Tailwind CSS classes without style conflicts

Familiar asyncio ORM for python, built with relations in mind

Modular, contributor-friendly and blazing-fast implementation of the Ethereum protocol, in Rust

High-performance data engine for AI and multimodal workloads. Process images, audio, video, and structured data at any scale

🦁 The Leo Programming Language. A Programming Language for Formally Verified, Zero-Knowledge Applications

Lightning ⚡️ fast forecasting with statistical and econometric models.

A GraphQL library for Python that leverages type annotations 🍓

A compiled-away, type-safe, readable RegExp alternative

Python data model generator (Pydantic, dataclasses, TypedDict, msgspec) from OpenAPI, JSON Schema, GraphQL, and raw data (JSON/YAML/CSV).

Static analysis for GitHub Actions

Quickly and accurately render even the largest data.

Create ridiculously fast Lexers

Write Cloudflare Workers in 100% Rust via WebAssembly

Catch API bugs before your users do

An extensible, state of the art columnar file format. Formerly at @spiraldb, now an Incubation Stage project at LFAI&Data, part of the Linux Foundation.

A generic framework for on-demand, incrementalized computation. Inspired by adapton, glimmer, and rustc's query system.

Operate and manipulate physical quantities in Python

Meltano: the declarative code-first data integration engine that powers your wildest data and ML-powered product ideas. Say goodbye to writing, maintaining, and scaling your own API integrations.

Pop-up dictionary browser extension for language learning. Successor to Yomichan.

A Rust-native claw you can trust. One binary — sandboxed, secure, auditable. Voice, memory, MCP tools, and multi-channel access built-in.

Rust implementation of the Ethereum Virtual Machine.

Neqo, the Mozilla Firefox implementation of QUIC in Rust

Ahead of Time compiler for numeric kernels

Matrix Client-Server SDK for Rust

An implementation of chunked, compressed, N-dimensional arrays for Python.

python async orm with fastapi in mind and pydantic validation

Core validation logic for pydantic written in rust

:ice_cube: 一个可爱且任性的 B 站视频下载器

WHATWG-compliant and fast URL parser written in modern C++, part of Internet Archive, Node.js, Clickhouse, Redpanda, Kong, Telegram, Adguard, Datadog and Cloudflare Workers.

Golang Fuego - Web framework generating OpenAPI 3 spec from source code - Pluggable to existing Gin & Echo APIs

VRM Importer, Exporter and Utilities for Blender 2.93 to 5.0

A socket.io server implementation in Rust that integrates with the Tower ecosystem and the Tokio stack.

CommonMark + GFM compatible Markdown parser and renderer

SPARQL graph database

Yet another URL library

🚀 The open-source, multi-tenant platform for self-building knowledge graphs and simulation

Blessed is an easy, practical library for making python terminal apps

🚂 Engine components of Prisma ORM

Fast, customizable Markdown parser and renderer with full CommonMark support. TypeScript rewrite of markdown-it with enhancements.

Fast SQL formatter/linter

Scalable machine 🤖 learning for time series forecasting.

Sync and Async ODM (Object Document Mapper) for MongoDB based on python type hints

The Zoo Design Studio app.

無料で使える中品質なテキスト読み上げソフトウェア、VOICEVOXのコア

Pathfinding library for rust

Composable custom class converters for attrs, dataclasses and friends.

Infrahub is a graph-based data management platform with built-in version control, CI workflows, peer review, and API access. It’s purpose-built to power reliable infrastructure automation at scale.