Poly
Small, fast, awesome. The only ES5-ish set of polyfills (shims) you can mix-and-match because they're individual AMD modules.
Messi
A simple message plugin for jQuery
Grapnel.js
A simple, lightweight library making it easy to create routes or run events based on a specific URL hashtag.
Microfiche.js
A carousel library made With Associates, focusing on performance, simplicity and touch.
Extract Values
A simple helper to extract values from a string based on a pattern.
Monitor.io
remote monitoring and debugging for socket.io
Motionia
Motionia is a lightweight simplified on demand animation library! https://git.io/motionia
Mapmap.js
A data-driven API for interactive thematic maps
Natural Regex
Create regex from natural language
Css Camera
New way to see a web page with CSS3 3D transform
Invisible
Invisible.js: Reusable models for the client and the server
Domenu
Customized version of Nestable for WordPress-like back-end hierarchical menu creation.
Object.observe
Object.observe polyfill/shim trying to be compliant
Kick Js
A WebGL game engine for modern web-browsers.
Spa Eye
Backbone debugger for Firefox
JavascriptMVC
Develop with direction! With CanJS, jQuery++, FuncUnit, Steal, DocumentJS.