Collabtive is a web-based project management software published as free software. It provides an open source alternative to proprietary tools like Basecamp or ActiveCollab.
- to-do lists
- Milestones
- Messaging / instant messaging
- Calendaring
- File management
- Role-based user permissions
- Timetracking
- Reporting (Excel, PDF)
- Exporting (ZIP, XML, RSS, iCal)
- Multi-language interface