Backbone supplies structure to JavaScript-heavy applications.
hoverIntent is a plug-in that attempts to determine the user's intent. It works like (and was derived from) jQuery's built-in hover. However, instead of immediately calling the onMouseOver function, it waits until the user's mouse slows down enough before making the call.
jQuery.carouFredSel is a plugin that turns any kind of HTML element into a carousel.
A lightweight, easy-to-use jQuery plugin for fluid width video embeds.
Lazy loader for images (responsive and normal), iframes and scripts, that detects any visibility changes triggered through user interaction, CSS or JavaScript without configuration.
Underscore is a utility-belt library for JavaScript that provides functional programming support.
jQuery plugin for infinite scrolling.
TouchSwipe is a jquery plugin to be used with jQuery on touch input devices such as iPad, iPhone etc.
Lightbox JS is a simple, unobtrusive script used to overlay images on the current page. It's a snap to setup and works on all modern browsers.
JQuery is a fast, concise, JavaScript Library that simplifies how you traverse HTML documents, handle events, perform animations, and add Ajax interactions to your web pages. jQuery is designed to change the way that you write JavaScript.
The jQuery placeholder easily allows you to emulate the placeholder attribute on input fields for all browsers.
Waypoints is a small jQuery plugin that makes it easy to execute a function whenever you scroll to an element.
A jQuery extension that provides functionality to "ease" things onto or off of the screen.
Adds mouse wheel support to the web site.
A slideshow plugin for JQuery that supports many different types of transition effects.
Modernizr allows you to target specific browser functionality in your stylesheet.
jQuery Slider toolkit from Woothemes.