Redmine is a flexible project management web application. Some of the main features of Redmine are:

• 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
• Time tracking
• Custom fields for issues, time-entries, projects and users
• SCM integration (SVN, CVS, Git, Mercurial and Bazaar)
• Issue creation via email
• Multiple LDAP authentication support
• User self-registration support
• Multilanguage support
• Multiple databases support