Sizzle
A sizzlin' hot selector engine.
Paper.js
The Swiss Army Knife of Vector Graphics Scripting – Scriptographer ported to JavaScript and the browser, using HTML5 Canvas. Created by @juerglehni & @jonathanpuckey
Material Design Lite
Material Design Components in HTML/CSS/JS
jQuery.lazy
A lightweight, fast, feature-rich, powerful and highly configurable delayed content, image and background lazy loading plugin for jQuery & Zepto.
Multiscroll.js
multiscroll plugin by Alvaro Trigo. Create full screen pages with two scrolling sections per page.
Highlighter.js
Easily navigate the DOM and highlight the elements - http://720kb.github.io/highlighter.js/
Completely
A fresh take on autocompletion for a wonderful user experience
Sticky Navbar.js
stickyNavbar.js: Fancy sticky navigation jQuery plugin with smart anchor link highlighting
Stats.js
JavaScript Performance Monitor
Snap.js
A Library for creating beautiful mobile shelves in Javascript
Sammy
Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.
Remodal
Flat, responsive, lightweight, easy customizable modal window jquery plugin with declarative state notation and hash tracking.
Quixote
CSS unit testing
Livestamp.js
A simple, unobtrusive jQuery plugin that provides auto-updating timeago text to your timestamped HTML elements using Moment.js.
J Query.mmenu
The best jQuery plugin for app look-alike on- and off-canvas menus with sliding submenus for your website and webapp.