Powerful and simple Javascript canvas library. Fabric provides interactive object model on top of canvas element, SVG parser, and a whole belt of utilities.

JavaScript's utility _ belt

Etherpad lite is a really-real time collaborative editor spawned from the Hell fire of Etherpad.

A simple CLI tool for ensuring that a given script runs continuously

An HTTP Proxy written in Node.js that supports WebSockets

Free and Open Source Web front-end resource CDN with 3k+ javascript and css libraries, web freamworks!

Javascript syntax highlighter

The Firefox debugger! We're a React, Redux, Babel app, what's not to love! We've also got friendly maintainers in every time zone happy to help you get started!

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

RecordRTC is a client-side JavaScript library can be used to record WebRTC audio/video media streams.

"Natural" is a general natural language facility for node.js. Tokenizing, stemming, classification, phonetics, tf-idf, WordNet, string similarity, and some inflections are currently supported.

An open source code editor for the web written in JavaScript, HTML and CSS.

Privacy Badger is a browser extension that automatically learns to block invisible trackers.

Automated dependency management via Pull Requests. Supports npm, yarn, meteor, Dockerfile and soon .nvmrc

Ember.js is a JavaScript framework for building ambitious client-side applications.

Does it even need introduction?! :)

A datepicker with twitter bootstrap support

A lightweight javascript date library for parsing, validating, manipulating, and formatting dates.

An open source code editor for the web written in HTML, JavaScript and CSS.

A task-based command line build tool for JavaScript projects.