The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Fast Lanes (0 members)
- Formatting and function templates (0 members)
- Formatting templates (0 members)
- Forum templates (0 members)
- Graphic-assets (1 member)
- Graphic Assets (28 members)
- Hatnote templates (0 members)
- Help (2 members)
- Help center (14 members)
- Help pages list (1 member)
- Hidden categories (0 members)
- Hidden tags (9 members)
- How Meetups Work (3 members)
- How To (2 members)
- Image required (0 members)
- Images example (1 member)
- In dispute (1 member)
- Incomplete templates (0 members)
- Info required (0 members)
- Inline cleanup templates (0 members)