The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Blog posts (6 members)
- Creativity (2 members)
- Economics (4 members)
- General wiki templates (2 members)
- Governance (0 members)
- Imported vocabulary (8 members)
- Infobox templates (1 member)
- Lua-based templates (1 member)
- Main page templates (6 members)
- Manual templates (1 member)
- Pages using Details parser tag (8 members)
- Pages using infobox templates with ignored data cells (1 member)
- Pages with broken file links (13 members)
- Pages with ignored display titles (10 members)
- Pages with script errors (41 members)
- People (6 members)
- Praxis (10 members)
- Projects (5 members)
- Protocol (6 members)
- Social (2 members)
- Technology (0 members)
- Template documentation pages (1 member)
- Templates using TemplateStyles (1 member)