Mobile application that tells you where the closest beer is, based on your location. One native Android branch, and one PhoneGap (cross-platform mobile development framework based on HTML, CSS and JavaScript) branch.
ROXML is a module for binding Ruby classes to XML. It supports custom mapping and bidirectional marshalling between Ruby and XML using annotation-style class methods. ROXML supports the LibXML and REXML XML processors.
Daemon Kit aims to simplify creating Ruby daemons by providing a sound application skeleton (through a generator), task specific generators (jabber bot, etc) and robust environment management code.
New router for Rails. Tiny (200 lines fool!), quick (adding routes so fast it hurts and competes with current router otherwise), and agile (OK...it's not more agile. But it sounds cool.)