script.aculo.us : script.aculo.us provides you with
easy-to-use, cross-browser user
interface JavaScript libraries to make
your web sites and web applications fly.
Rickshaw : Rickshaw is a JavaScript toolkit for creating interactive time series graphs.
JavascriptOO : Every javascript project you should be looking into.
With examples, categories, install commands, CDN links, project and author stats, and more.
Mousetrap : A simple library for handling keyboard shortcuts in Javascript.
