Faviconx
A tiny javascript library that makes progress bars out of the favicon placeholders.
Nod
jQuery plugin that gives you frontend validation for forms.
Covervid
Make your HTML5 video behave like a background cover image with this lightweight Javascript plugin / jQuery extension
Typed.js
A jQuery typing animation script.
Raven Js
JavaScript client for Sentry
Image Picker
Image Picker is a simple jQuery plugin that transforms a select element into a more user friendly graphical interface.
Firebug Lite
Firebug Lite: doing the Firebug way, anywhere.
Textillate
A simple plugin for CSS3 text animations
Cycle Core
A fully reactive JavaScript framework for Human-Computer Interaction
Scroll Nav
A jQuery plugin for building a scrolling navigation menu
Frozen
Frozen is an open-source HTML5 game engine delivering ease-of-use, rapid development through tooling and modularity.
Behave.js
A lightweight, cross browser library for adding IDE style behaviors to plain text areas
Argon
An open-standards augmented reality platform for the web
jTypes
jTypes is the most comprehensive and robust JavaScript library for overcoming differential inheritance with prototype-based objects. Its lightweight yet powerful design provides web programmers on any platform or browser the ability to emulate classical inheritance where objects are defined by classes.
Tock
Timer Object/Class. Kickass!
Min Pub Sub
198 byte publish/subscribe messaging micro-framework