jQuery GACE is a plugin for tracking custom events in your web page. It provides a simple wrapper for some custom elements.
Smaller, Lighter, Faster, more modular jQuery - include only the parts you want! Don't use it, Don't include it.
Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results.
Handsontable is a minimalistic approach to Excel-like table editor in HTML & jQuery. Now with column and row headers!
Morris.js is a lightweight library that uses jQuery and Raphaël to make drawing time-series graphs easy.
TextExt is a plugin for jQuery which is designed to provide functionality such as tag input and autocomplete.
jQuery Plugin to Encourage Stronger Passwords
hoverIntent is a plug-in that attempts to determine the user's intent... like a crystal ball, only with mouse movement! It is similar to jQuery's hover method. However, instead of calling the handlerIn function immediately, hoverIntent waits until the user's mouse slows down enough before making the call.
Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.
jQuery Mobile is a HTML5-based user interface system designed to make responsive web sites and apps that are accessible on all smartphone, tablet and desktop devices
Deep linking plugin
jQuery Background-Position Animation 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-fit, before/after callbacks, click triggers and much more.