The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Nintendo consoles (3 members)
- Operating Systems (4 members)
- PC Devices (1 member)
- PC Games (10 members)
- Pages with broken file links (191 members)
- Protected redirects (1 member)
- Protection templates (1 member)
- Software (10 members)
- Software infobox templates (2 members)
- Software templates (1 member)
- Sony consoles (3 members)
- Talk message boxes (1 member)
- Template documentation (2 members)
- Template documentation pages (1 member)
- Template namespace templates (2 members)
- Templates generating hCalendars (3 members)
- Templates generating microformats (1 member)
- Templates used by Twinkle (2 members)
- Ubuntu (0 members)
- User warning templates (1 member)