The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Autotranslated templates (2 members)
- Chromeball icons (173 members)
- Commons-en (1 member)
- Country icons (253 members)
- Featured pictures on Ballmedia Commons (1 member)
- Featured pictures on Wikimedia Commons (1 member)
- Formatting templates (1 member)
- Heavily used templates (2 members)
- Internationalization templates (2 members)
- Motd templates (1 member)
- PCB Template (23 members)
- Pages with broken file links (2 members)
- Pages with script errors (16 members)
- Potd templates (1 member)
- Sisterproject templates (1 member)
- Typing-aid templates (2 members)
- Userbox icons (2 members)
- Workaround templates (1 member)