CruiseControl for Ruby. Keep it simple.

Rack-based asset packaging system

RapidFTR streamlines and speeds up the Family Tracing and Reunification process using small handheld devices to collect information.

Official Geokit Gem. Geokit gem provides geocoding and distance/heading calculations. Pair with the geokit-rails plugin for full-fledged location-based app functionality.

Facebook-style lightbox, built in jQuery

This plugin is a modified fork from fnando/has_calendar. They aren't equal! A view helper that creates a calendar using a table. You can easily add events with any content.

Cross platform web browser

Cross platform web browser

Set the autotest to display messages through software such as Growl