SPF : A lightweight JS framework for fast navigation and page updates from YouTube
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...
base2 : base2 is a lightweight library that irons out all the annoying differences in JavaScript implementations. It provides the additional functionality fro...
Push by Nickersoft : A compact, cross-browser solution for using the JavaScript Notifications API
Prototype : Easy Ajax and DOM manipulation for dynamic web applications
In-browser structured text editing component. A toolkit for building rich-text editors on the web.