Redmine

Redmine is a free and open source, web-based project management and issue tracking tool. It allows users to manage multiple projects and associated subprojects. It features per project wikis and forum...
Language(s): Ruby on Rails
Operating system(s): N/A
License: GNU General Public License v2

Trac

Trac is an enhanced wiki and issue tracking system for software development projects. Trac uses a minimalistic approach to web-based software project management. Our mission is to help developers writ...
Language(s): Python
Operating system(s): Windows, OS X, Linux, BSD
License: Modified BSD license