JS MV* Libraries & Frameworks
Index : Protoculous : Prototype & Scriptaculous lightweight !
Using jQuery with Other Libraries General The jQuery library, and virtually all of its plugins are constrained within the jQuery namespace. As a general rule, "global" objects are stored inside the jQuery namespace as well, so you shouldn't get a clash between jQuery and any other library (like Prototype, MooTools, or YUI).
YUI Library The Yahoo!
API Documentation Welcome to the Dojo Toolkit API documentation.
JS Long Polling Frameworks
Retinafy your web sites and apps — ebook by Thomas Fuchs
Pivotal Labs: Mobile: Overview
JS Graphs & Charts