The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Aerosmith (album) (5 members)
- Article management templates (4 members)
- Article stubs (0 members)
- BlogListingPage (0 members)
- Browse (4 members)
- Candidates for deletion (0 members)
- Candidates for speedy deletion (0 members)
- Category templates (3 members)
- Community (5 members)
- Content (1 member)
- Copyright (1 member)
- Disambiguations (0 members)
- Draw the Line (1 member)
- Forums (6 members)
- General wiki templates (24 members)
- Get Your Wings (1 member)
- Help (6 members)
- Help desk (2 members)
- Hidden categories (2 members)
- Image wiki templates (9 members)
- Images (2 members)
- Just Push Play (1 member)
- Members (8 members)
- Needs photo (2 members)
- Night in the Ruts (1 member)
- Organisation (8 members)
- Pages proposed for deletion (0 members)
- Pages with broken file links (0 members)
- Policy (3 members)
- Rocks (1 member)
- Site administration (4 members)
- Site maintenance (4 members)
- Songs (5 members)
- Studio Albums (13 members)
- Templates (5 members)
- Toys in the Attic (1 member)
- Videos (1 member)
- Watercooler (2 members)