Yoast SEO for WordPress

String validation

ToolJet is the open-source foundation of ToolJet AI - the AI-native platform for building internal tools, dashboard, business applications, workflows and AI agents 🚀

🚦 The official router for Vue 2

⚡ Serverless Framework – Effortlessly build apps that auto-scale, incur zero costs when idle, and require minimal maintenance using AWS Lambda and other managed cloud services.

Solid server on top of the file-system in NodeJS

Create your js components with ease! Streamline your development process

Concise, consistent, and legible badges in SVG and raster format

Fast and low overhead web framework, for Node.js

Web-based XMPP/Jabber chat written in JavaScript

Sandstorm is a self-hostable web productivity suite. It's implemented as a security-hardened web app package manager. | Actively sponsored by our friends at TestMu AI

Nonprofit, open-source platform to post, vote, and deliberate, with no ads and no algorithms. React frontend, a GraphQL API, and a MongoDB backend, making it approachable for contributors familiar with modern JavaScript frameworks.

View the Physics. PhysicsHub is a free open-source project, perfect for contributions, that helps students study physics by visualizing formulas with interactive simulations.

AlaSQL.js - JavaScript SQL database for browser and Node.js. Handles both traditional relational tables and nested JSON data (NoSQL). Export, store, and import data from localStorage, IndexedDB, or Excel.

An open-source, web-based viewer for zoomable images, implemented in pure JavaScript.

A full-featured, open-source content management framework built with Node.js that empowers organizations by combining in-context editing and headless architecture in a full-stack JS environment.

Automated auditing, performance metrics, and best practices for the web.

A pure JavaScript implementation of git for node and browsers!

Beautifier for javascript

Lightweight, robust, elegant syntax highlighting.

The React Framework

sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.

An open-source JavaScript library for world-class 3D globes and maps :earth_americas:

Project has been discontinued ////// Mailchimp Open Commerce is an API-first, headless commerce platform built using Node.js, React, GraphQL. Deployed via Docker and Kubernetes.

A node.js library for testing modern web applications

React-based framework with performance, scalability, and security built in.

The Block Editor project for WordPress and beyond. Plugin is available from the official repository.

The AMP web component framework.

SVG icons for popular brands

ChakraCore is an open source Javascript engine with a C API.

A Javascript RESTFUL API library for connecting with OAuth2 services, such as Google+ API, Facebook Graph and Windows Live Connect

Node.js JavaScript runtime ✨🐢🚀✨

The React Framework

A BPMN 2.0 rendering toolkit and web modeler.

UI Grid: an Angular Data Grid

Universal select/multiselect/tagging component for Vue.js

A query builder for PostgreSQL, MySQL, CockroachDB, SQL Server, SQLite3 and Oracle, designed to be flexible, portable, and fun to use.

Find and fix problems in your JavaScript code.

A fancy self-hosted monitoring tool

A mighty CSS linter that helps you avoid errors and enforce conventions.

The React documentation website

The 1.x line is frozen - features and bugfixes now happen on https://github.com/yarnpkg/berry

Less. The dynamic stylesheet language.

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis

The Ember.js command line utility.

Pug – robust, elegant, feature rich template engine for Node.js

Layer5, expect more from your infrastructure

Integrate React.js with Rails views and controllers, the asset pipeline, or webpacker.