Machina.js
js ex machina - finite state machines in JavaScript
Formbuilder
[Needs Maintainer] Formbuilder is a small graphical interface for letting users build their own webforms.
jQuery Impromptu
An extention to help provide a more pleasant way to spontaneously prompt a user for input.
Perfect Scrollbar
Tiny but perfect jQuery scrollbar plugin
Glfx.js
An image effects library for JavaScript using WebGL
Css3d Engine
css 3d light engine. very easy to use. 14k
Audio5js
The HTML5 Audio Compatibility Layer
Angular Tooltips
Angularjs tooltips module, add tooltips to your elements
Across Tabs
Easy communication between cross-origin browser tabs
Turbulenz Engine
Turbulenz is a modular 3D and 2D game framework for making HTML5 powered games for browsers and mobile devices.
Taggle.js
Form-ready dependency-less tagging.
Midi Writer Js
♬ JavaScript library providing an API for programmatically generating expressive multi-track MIDI files in browser and Node.
Loglevel
Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods
Droptiles
Droptiles is a "Windows 8 Start" like Metro-style Web 2.0 Dashboard. It compromises of Live Tiles. Tiles are mini apps that can fetch data from external sources. Clicking on a tile launches the full application.
Verlet JS
A simple Verlet physics engine written in javascript
jQuery treetable
jQuery plugin to show a tree structure in a table