The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 2012 (1 member)
- Administration (55 members)
- Arch Teapot (1 member)
- Camp (5 members)
- Chaos Communication Congress (1 member)
- Clubraum (6 members)
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- Computer Science (3 members)
- Conference (26 members)
- CryptoParty (3 members)
- EmbeddedHost (2 members)
- Enrollment (1 member)
- Events (1,092 members)