ContextJS is a lightweight solution for contextual menus.    Currently, there are two versions. The first is to be used with Twitters Bootstrap (bootstrap.css specifically). If you do not use or want to use bootstrap.css, there is a standalone stylesheet to give the menu it's base styles.   ContextJS - Features: Linted: Valid JS Can be used with or without Twitters Bootstrap.css Event Based Links Anchor Links Headers Dividers Recursive Menus (infinite depth) Vertical Space Detection

Freetile is a plugin for jQuery that enables the organization of webpage content in an efficient, dynamic and responsive layout. It can be applied to a container element and it will attempt to arrange it's children in a layout that makes optimal use of screen space, by "packing" them in a tight arrangement.   

Scrolly is a super simple and easy to use parallax plugin for jQuery.  

onScreen is a jQuery plugin that does stuff when the matched elements are visible (as inside the viewport).   The basic form $('element').onScreen(); will only toggle the onScreen class on the matched elements. This is optimal for CSS animations. You can set the tolerance parameter and allow the elements to enter the viewport certain amount of pixels before doing anything.   onScreen also has two methods called doIn() and, obviously, doOut() that will execute when the matched elements enter

jQuery RS Carousel is a responsive and touch-enabled carousel written on top of jQuery and the jQuery UI Widget Factory providing a full and familiar API.  

flipGallery is a free jQuery powered photo gallery with sleek flipping transitions between thumbnails and lightbox enlargements. Other features include dynamic image streaming, auto pagination, auto cropping and transparent image overlay. It only takes a few minutes to set-up and the layout, speed, co-ordination and text can easily be modified in the settings.  

windows is a handy, loosely-coupled jQuery plugin for full-screen scrolling windows.  This plugin simply opens up a handy API for position management, provides callbacks, and will allow for window snapping. No CSS is applied to the callee.  

Slip is a tiny library for interactive swiping and reordering of elements in lists on touch screens. It supports iOS Safari, Firefox Mobile, Chrome Mobile, Opera Mobile (Presto and Blink).   

liScroll is a jQuery plugin that transforms any given unordered list into a scrolling News Ticker.   To build your news ticker all you need is the markup: an unordered list with a unique ID <ul id="ticker01"> <li><span>10/10/2007</span><a href="#">The first thing ...</a></li> <li><span>10/10/2007</span><a href="#">End up doing is ...</a></li> <li><span>10/10/2007</span><a href="#">The cod

jQuery Interactive 3D let you create a 3D interactive object using several images as frames allowing the user to drag around and manipulate the image. This plugin is perfect for showcasing your product on the web.