redMine – Open Source Project Management Web Application
http://redmine.rubyforge.org/

redMine is an open source project management web application. Written in Ruby, using Ruby on Rails framework, it is cross-platform (Unix / Linux, Windows) and cross-database. It is released under the terms of the GNU General Public License (GPL). This has been added to the tools section of Research Resources Subject Tracer™ Information Blog. This has been added to World Wide Web Reference Subject Tracer™ Information Blog.