The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Engvar (2 members)
- Error-handling modules (1 member)
- Error-message templates (1 member)
- File message boxes (1 member)
- File namespace templates (2 members)
- Fraction templates (1 member)
- GPL Templates (5 members)
- Hatnote modules (4 members)
- Hatnote templates (2 members)
- Header templates (1 member)
- Hidden categories (5 members)
- Highway infobox templates (1 member)
- If-then-else templates (1 member)
- Image with comment templates (7 members)
- Infobox modules (2 members)
- Infobox templates with module parameter (2 members)
- Informational (4 members)
- Internal article-link templates (1 member)
- Internal category-link templates (2 members)
- Internal link templates (4 members)
- Judgments (1 member)
- Judgments by accusation (4 members)
- Judgments for ban bypass (1 member)
- Judgments for chat abuse (2 members)
- Judgments for chat spam (2 members)
- Judgments for derogatory messages (1 member)
- Judgments for griefing (2 members)
- Judgments for griefing private property (3 members)
- Judgments for griefing the public farm (4 members)
- Judgments for theft (7 members)
- Judgments with translations (1 member)
- Judgments with translations in German (1 member)
- Lang-x templates (0 members)
- Language-related modules (22 members)
- Language infobox templates (1 member)
- License-related tags (5 members)
- Licensing Templates (9 members)
- Light rail stations (1 member)
- Light rail stations in Nordstetten (2 members)
- Line-handling templates (2 members)
- Line U1 (0 members)
- Link templates (2 members)
- List formatting and function templates (1 member)
- Locations (2 members)
- Locations at North Luciopoli (1 member)
- Locations at Plain Houses Area (2 members)
- Locations at RelaxingIsland (1 member)
- Locations at SmushyVille (1 member)
- Locations at Spawn Island (6 members)
- Locations at Spawn South (6 members)