Redmine is a flexible project management web application. Written using Ruby on Rails framework, it is cross-platform and cross-database.

Redmine is open source and released under the terms of the GNU General Public License v2 (GPL).

Overview

    * Multiple projects support
    * Flexible role based access control.
    * Flexible issue tracking system
    * Gantt chart and calendar
    * News, documents & files management
    * Feeds & email notifications.
    * Per project wiki
    * Per project forums
    * Simple time tracking functionality
    * Custom fields for issues, projects and users
    * SCM integration (SVN, CVS, Git, Mercurial, Bazaar and Darcs)
    * Multiple LDAP authentication support
    * User self-registration support
    * Multilanguage support
    * Multiple databases support