restful-authentication

inactive project

attachment_fu

Treat an ActiveRecord model as a file attachment, storing its patch, size, content type, etc.

coffee-resque

guillotine

URL shortening hobby kit

twitter-node

Discontinued: check out nTwitter

acts_as_versioned

ActiveRecord plugin for versioning your models.

permalink_fu

ActiveRecord plugin for automatically converting fields to permalinks.

masochism

ActiveRecord connection proxy for master/slave connections

grohl

Combination logging, exception reporting, and metrics library for Go.

madrox

Distributed Twitter implementation in Git.

nubnub

Node.js PubSubHubbub client/server implementation

jquery.doubletap

This jquery plugin adds custom touch-screen events to the given HTML elements.