The iconic SVG, font, and CSS toolkit

a 2D rigid body physics engine for the web ▲● ■

typeahead.js is a fast and fully-featured autocomplete library

Simple JavaScript testing framework for browsers and node.js

The Swiss Army Knife of Vector Graphics Scripting – Scriptographer ported to JavaScript and the browser, using HTML5 Canvas. Created by @lehni & @puckey

In-place editing with Twitter Bootstrap, jQuery UI or pure jQuery

Open source rich text editor based on HTML5 and the progressive-enhancement approach. Uses a sophisticated security concept and aims to generate fully valid HTML5 markup by preventing unmaintainabl…

SyntaxHighlighter is a fully functional self-contained code syntax highlighter developed in JavaScript.

Wrappers for JavaScript alert(), confirm() and other flexible dialogs using Twitter's bootstrap framework

a graph visualization library using web workers and jQuery

A force directed graph layout algorithm in JavaScript

Multiple Selection Combo Box using Bootstrap

UJS without jQuery dependency

Allows an existing desktop site to co-exist with a responsive site, while also able to serve the desktop site to a different breakpoint on "mobile"