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

A node.js library for testing modern web applications

Beautifier for javascript

Layer5, expect more from your infrastructure

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

UI Grid: an Angular Data Grid

A BPMN 2.0 rendering toolkit and web modeler.

Fast and low overhead web framework, for Node.js

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.

The Ember.js command line utility.

Create your js components with ease! Streamline your development process

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

Fast math typesetting for the web.

A fancy self-hosted monitoring tool

🚦 The official router for Vue 2

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

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

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.

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.

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

Web-based XMPP/Jabber chat written in JavaScript

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

Find and fix problems in your JavaScript code.

The AMP web component framework.

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

The React Framework

SVG icons for popular brands

Less. The dynamic stylesheet language.

String validation

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

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

A pure JavaScript implementation of git for node and browsers!

⚡ 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.

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

A logger for just about everything.

Yoast SEO for WordPress

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

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

Lightweight, robust, elegant syntax highlighting.

An alternative side effect model for Redux apps

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.

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

Node.js JavaScript runtime ✨🐢🚀✨

Solid server on top of the file-system in NodeJS

The React Framework