A JavaScript site search engine. It works with any browser that supports JavaScript 1.3 and at least partially supports the W3C DOM Level 1. [Open source, GPL]
An ECMAScript pre-processor written in JavaScript, enabling an unlimited number of external scripts to be compressed/crunched into supertight, bandwidth-optimized packages.
A library of JavaScript foundation objects. It includes cross-browser implementation of a button, checkbox, progress bar, counter, overlay window, dialog box. Total there're 14 objects in the collection and this count is growing. [Open source, GPL]