Crafty : JavaScript Game Engine, HTML5 Game Engine
Mousetrap : A simple library for handling keyboard shortcuts in Javascript.
store.js : localStorage wrapper for all browsers without using cookies or flash. Uses localStorage, globalStorage, and userData behavior under the hood.
hunt : Library to detect when DOM elements become visible and disappear on scroll.
Bliss.js : Want to use Vanilla JS but find native APIs a bit unwieldy? Bliss is for you
Add Clippy or his friends to any website for instant nostalgia.
