Push by Nickersoft : A compact, cross-browser solution for using the JavaScript Notifications API
Namespace.js : Namespace.js is a small javascript script which provide namespacing utilities. It is framework independent. It also allows you to remotely include fil...
RequireJS : RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino ...
Protovis : Protovis composes custom views of data with simple marks such as bars and dots. Unlike low-level graphics libraries that quickly become tedious for vi...
jQuery Masonry : A dynamic layout plugin for jQuery
The flip-side of CSS floats
Modest Maps is a small, extensible, and free library for designers and developers who want to use interactive maps in their own projects.