Sammy.js : Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.
jquip : Smaller, Lighter, Faster, more modular jQuery - include only the parts you want! Don't use it, Don't include it.
Rickshaw : Rickshaw is a JavaScript toolkit for creating interactive time series graphs.
jQuery Mobile : 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 ...
Select2 : Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results.
Morris.js is a lightweight library that uses jQuery and Raphaël to make drawing time-series graphs easy.