The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- RD Templates (0 members)
- RE Templates (5 members)
- Reinvent Education Pioneers (8 members)
- Reports (1 member)
- Robotics Competitions (3 members)
- SDDP Participants (0 members)
- SDD Mentors (4 members)
- SDD Reinvent Democracy Mentor (0 members)
- SDD Senior International Expert (1 member)
- Senior IT Managers (1 member)
- Software and Systems Developer (3 members)
- Systems scientists (1 member)
- T/Events (1 member)
- T/Media (1 member)
- T/People (17 members)
- T/Projects (1 member)
- T/Reports (1 member)
- Templates (2 members)
- Types of thinking Group (9 members)
- University of Pennsylvania alumni (1 member)
- Vienna University of Technology alumni (1 member)
- Vienna University of Technology faculty (1 member)
- Voice of Youth Group (7 members)