jquip : Smaller, Lighter, Faster, more modular jQuery - include only the parts you want! Don't use it, Don't include it.
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...
Mousetrap : A simple library for handling keyboard shortcuts in Javascript.
Impel : Impel takes the pain out of working with HTML5 asynchronous databases.
Statement callbacks? Transaction callbacks? One-to-many and many-to-many relati...
Autotrack : Automatic and enhanced Google Analytics tracking for common user interactions on the web.
Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.