Drupal lab

Redmine is a lightweight project management web application. It is an open source project management system and release under terms of the GPL. Redmine is developed in RoR (Ruby on Rails) framework. It is a cool system with followed databases are supported:

Supported databases
- MySQL
- Oracle
- Microsft SQL Server
- Sqlite
- Postgresql

Main features 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, Mercurial, Bazaar and Darcs)
- Multiple LDAP authentication support
- User self-registration support
- Multilanguage support
- Multiple databases support