MooTools: JavaScript framework
MooTools [1] is a compact, modular, Object-Oriented JavaScript framework designed for the intermediate to advanced JavaScript developer. It allows you to write powerful, flexible, and cross-browser code with its elegant, well documented, and coherent API.
MooTools is released under the Open Source MIT license.
[...] [1] http://cheeaun.github.com/mooeditable/ [2] http://www.renemoser.net/2009/07/mootools-javascript-framework/ [...]