- PHProjekt
- Open source project planning and collaboration tool.Own description: "an open source groupware suite"
- dotProject
- Open source project management and collaboration tool.Own description: "Open Source Project and Task Management Software"
- Open Workbench
- Open source project scheduling tool.Own description: "Open Workbench - Open Source Project Management and Project Scheduling for Windows from CA Clarity"
- OpenProj
- Open source project planning tool by Projity.Own description: "Home | Serena Open Source and Hosted Project Management Software"
- TaskJuggler
- Open source project planning tool.Own description: "TaskJuggler is a modern and powerful open source project management tool."
- Project Open
- Open source project management and issue tracking tool.Own description: "]project-open[ is an open-source based Project-ERP for medium and small project oriented companies."