Watir
FireWatir is part of Watir project.
Wiki
http://wiki.openqa.org/display/WTR/FireWatir
Bug Tracker
http://jira.openqa.org/browse/WTR/component/10400
Gems
http://rubyforge.org/frs/?group_id=104
Source
Install
http://wiki.openqa.org/display/WTR/FireWatir+Installation