Processing.js : Processing.js is the sister project of the popular Processing visual programming language, designed for the web. Processing.js makes your data visuali...
Wave.js : Audio visualizer library for javascript. Create dynamic animations that react to an audio file or audio stream.
Crafty : JavaScript Game Engine, HTML5 Game Engine
rsvp.js : A lightweight library that provides tools for organizing asynchronous code
Marka : Beautiful transformable icons
built for the web.