The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Albums (9 members)
- Andy Songs (43 members)
- Between Wind and Water (16 members)
- Blog posts (0 members)
- Bones in the Ocean (9 members)
- Books (2 members)
- Browse (7 members)
- Candidates for deletion (0 members)
- Characters (2 members)
- Christmas at Sea (EP) (4 members)
- Commodore 1864 (21 members)
- Cures What Ails Ya (13 members)
- Dave Songs (21 members)
- Disambiguations (0 members)
- Episodes (2 members)
- Events (2 members)
- Help (0 members)
- Images (2 members)
- Items (2 members)
- JD Songs (27 members)
- Locations (2 members)
- Longest Johns Originals (25 members)
- People (7 members)
- Quests (2 members)
- Robbie Songs (24 members)
- Santiano (4 members)
- Shared Leads (18 members)
- Smoke + Oakum (15 members)
- Songs (148 members)
- Template documentation (26 members)
- Templates (27 members)
- Templates/Infobox (8 members)
- Templates/Navbox (1 member)
- Templates/Quote (1 member)
- Traditional (78 members)
- Videos (4 members)
- Written in Salt (14 members)