Protovis : Protovis composes custom views of data with simple marks such as bars and dots. Unlike low-level graphics libraries that quickly become tedious for vi...
voxel.css : The goal of this project is to provide a lightweight 3D CSS library with very simple implementation.
meSpeak.js : meSpeak.js (modulary enhanced speak.js) is a 100% client-side JavaScript text-to-speech library
polyfill : polyfill makes web development less frustrating by selectively polyfilling just what the browser needs. Use it on your own site, or as a service.
Crafty : JavaScript Game Engine, HTML5 Game Engine
A simple library for handling keyboard shortcuts in Javascript.