store.js : localStorage wrapper for all browsers without using cookies or flash. Uses localStorage, globalStorage, and userData behavior under the hood.
dancer.js : dancer.js is a high-level audio API, usable with both Mozilla's Audio Data API and Webkit's Web Audio API with flash fallback, designed to make sweet ...
loglevel : Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods
swfobject : SWFObject 2 offers two optimized Flash Player embed methods; a markup based approach and a method that relies on JavaScript & offers a JavaScript API ...
Crafty : JavaScript Game Engine, HTML5 Game Engine
A simple library for handling keyboard shortcuts in Javascript.