jquip : Smaller, Lighter, Faster, more modular jQuery - include only the parts you want! Don't use it, Don't include it.
Logerr : Experimenting with window.onerror, trying to make JavaScript debugging easy.
What does it do?
Provides JavaScript error details in a readable format. ...
Prototype : Easy Ajax and DOM manipulation for dynamic web applications
yepnope.js : A Conditional Loader For Your Polyfills!
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...
Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.