The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Package SDK (3 members)
- Pages using duplicate arguments in template calls (20 members)
- Pages with broken file links (2 members)
- Pages with too many expensive parser function calls (22 members)
- Paragraph Formatting Bulletin Board Code (3 members)
- Performance enhancements (2 members)
- Permissions (11 members)
- Protected redirects (1 member)
- Punctuation templates (1 member)
- Redirects from other templates (3 members)
- SMF Terminology (1 member)
- SMF Themes (7 members)
- SMF technical reference (1 member)
- SMF terminology (71 members)
- SMF terminology/es (6 members)
- SMF terminology/ru (2 members)
- SMF version differences (3 members)
- SSI (9 members)
- Sandbox (1 member)
- Set index article templates (1 member)