jQuery Transit is a plugin to help you do CSS transformations and transitions in jQuery. The transitions will happen much smoother

jQuery lightGallery is a lightweight jQuery lightbox gallery for displaying image and video.   jQuery lightGallery

YoxView is a free Lightbox-type media and image viewer jQuery plugin. It's easy to use and feature-rich.  

DateTimePicker is a jQuery date and time picker plugin. You can use this plugin to unobtrusively add a datetimepicker, datepicker

Zoomerang.js is a drop-in library that allows your users to zoom in on (almost) any element on your existing page. No setup, arbitrary

Highlight Search Terms is a jQuery plugin which highlights search terms in referrer URL from Google, Yahoo, Bing

jQInstaPics is a simple jQuery plugin that enables you to display the latest pics from your Instagram feed on your website

OriDomi is a javascript library for folding up HTML DOM elements.   OriDomi - Features: zero dependencies fully

jQuery.naviDropDown is a simple jQuery plugin which allows you to create a simple drop down menu, utilising hoverIntent

Really Simple Slideshow is a jQuery plugin for creating image slideshows. Images are loaded dynamically as each one is required