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).
Features:
- 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 forum