The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Article management templates (3 members)
- Article stubs (159 members)
- Assembler (5 members)
- Astronomical Objects (3 members)
- Audio templates (1 member)
- Building (72 members)
- Candidates for Cleanup (0 members)
- Candidates for cleanup (0 members)
- Candidates for deletion (7 members)
- Category Transclusion Pages (11 members)
- Category namespace templates (2 members)
- Chemical Facility (2 members)
- Citation templates (2 members)
- Combat Unit (1 member)
- Component (21 members)
- Components (77 members)
- Crafting Material (79 members)
- DPL templates (7 members)
- Dark Fog (1 member)
- Disambiguation (1 member)
- Dyson Sphere Program (27 members)
- Dyson Sphere Program Wiki (4 members)
- Dyson Sphere Program Wiki community (2 members)
- End Product (6 members)
- Errors reported by Module String (1 member)
- External link templates (2 members)
- File management templates (17 members)
- File namespace templates (1 member)
- Formatting and function templates (17 members)
- Fractionation Facility (1 member)
- Fuel (20 members)
- General wiki templates (12 members)
- Graph, chart, and plot templates (2 members)
- Indexed pages (1 member)
- Infobox Templates (1 member)
- Infobox templates (3 members)
- Infobox utility templates (4 members)
- Interface message templates (5 members)
- Internal link templates (11 members)
- Item (153 members)
- ItemInfo Pages (157 members)
- Item Recipe templates (4 members)
- Language templates (1 member)
- License Templates (2 members)
- Licensing templates (1 member)
- Logistics (23 members)
- Lua-based templates (41 members)
- Main page templates (10 members)
- Maintenance templates (4 members)
- Manual templates (1 member)