The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- User ja-N (0 members)
- User pt (5 members)
- User pt-1 (0 members)
- User pt-2 (0 members)
- User pt-3 (0 members)
- User pt-4 (0 members)
- User pt-N (0 members)
- User qhx-CSharp-4 (1 member)
- User qhx-JS-2 (1 member)
- User qhx-Kotlin-N (1 member)
- User qhx-Nix-3 (1 member)
- User qhx-Rust-1 (1 member)
- User qhx-Wikitext-3 (1 member)
- User ru (5 members)
- User ru-1 (0 members)
- User ru-2 (0 members)
- User ru-3 (0 members)
- User ru-4 (0 members)
- User ru-N (0 members)
- Users by language (7 members)
- Wikitext wizards (1 member)