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...
Draggable : Draggable is a modular drag & drop library, allowing you to start small and build up with the features you need. At its most basic, Draggable gives yo...
TraceKit : Not all browsers support stack traces on error objects, but TraceKit squeezes out as much useful information as possible and normalizes it.
InstantClick : InstantClick is a JavaScript library that dramatically speeds up your website, making navigation effectively instant in most cases.
Modest Maps is a small, extensible, and free library for designers and developers who want to use interactive maps in their own projects.