jQuery TextExt Plugin : TextExt is a plugin for jQuery which is designed to provide functionality such as tag input and autocomplete.
jquip : Smaller, Lighter, Faster, more modular jQuery - include only the parts you want! Don't use it, Don't include it.
JQuery Cycle Plugin : The jQuery Cycle Plugin is a slideshow plugin that supports many different types of transition effects. It supports pause-on-hover, auto-stop, auto-fi...
Sammy.js : Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.
jQuery GACE is a plugin for tracking custom events in your web page. It provides a simple wrapper for some custom elements.