jq.carousel is a jQuery plugin you can implement a simple carousel and customizable. Because they are designed to be flexible in

Multiselectable jQuery plugin enables users to choose multiple items from list easily.   

elementTransitions.js is a wrapper around the code provided by a 

Accessible Mega Menu is a demonstration of how to implement a keyboard and screen reader accessible mega menu

glDatePicker is an ultra-simple, customizable, light-weight date picker plugin for jQuery.  

  jQuery.VideoBG plugin enables web designers to use an HTML5 video as a background or any div to a website very easily.    

Square Menu creates a square-like menu animation for website using jQuery and CSS3.  

Mobi Pick is an Android-style datepicker widget for jQuery Mobile. It uses the date library XDate and allows progressive enhancement

jQuery ContentHover Plugin is a small jQuery plugin that helps you show some hidden content on top of an element

The jQuery Content Panel Switcher is a simple, very lightweight jQuery