Asynchronous script loader for ads, widgets and other third-party content

Designs for various aspects of CoderDojo

S3 Lib

An example web app using river to monitor the Twitter API

Unbounded stream processing in node.js

Port of arc90's readability project to ruby

Configurable streaming aggregator

All the code you need to get started, with an emphasis on dynamic languages.

Async HTTP friendly WebHooks delivery server

The missing package manager for OS X

A CSS powered HTML injection engine.

A ruby lib for making objects persistable

A nifty bit of javascript for method aliasing and method missing style functionality

A jquery plugin for enhancing browser CSS3 style support

crap

A JavaScript mocking and stubbing framework

Gems straight from their source

A jQuery plugin to ease the development of dynamic html wireframes with state.

A jQuery port of the humanized dialog display technique. (http://www.humanized.com/weblog/2006/09/11/monolog_boxes_and_transparent_messages/)