The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Events (182 members)
- Imported vocabulary (7 members)
- Inventory (156 members)
- Members (73 members)
- Missing Pictures (107 members)
- Outdated (10 members)
- Pages with broken file links (7 members)
- Projects (326 members)
- Radio (4 members)
- SDR (0 members)
- Tent Designs (3 members)
- Tool (10 members)
- VoIP (4 members)
- With warning (7 members)