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

An HTTP Proxy written in Node.js that supports WebSockets

Full-Stack JavaScript Using MongoDB, Express, AngularJS, and Node.js

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

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.

Give your JS App some Backbone with Models, Views, Collections, and Events http://backbonejs.org

Test'em 'Scripts! A test runner that makes Javascript unit testing fun.

noty is a jQuery plugin that makes it easy to create alert - success - error - warning - information - confirmation messages as an alternative the standard alert dialog.

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