jquip : Smaller, Lighter, Faster, more modular jQuery - include only the parts you want! Don't use it, Don't include it.
MooTools : MooTools is a compact, modular, Object-Oriented JavaScript framework designed for the intermediate to advanced JavaScript developer. It allows you to ...
cssQuery() : cssQuery() is a powerful cross-browser JavaScript function that enables querying of a DOM document using CSS selectors. All CSS1 and CSS2 selectors ar...
xui.js : A super micro tiny DOM library for authoring HTML5 mobile web applications.
SPF : A lightweight JS framework for fast navigation and page updates from YouTube
Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.