The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Strike delivery skills (11 members)
- Strike delivery spells (2 members)
- Summoning effects (1 member)
- Supplies (17 members)
- Survivalist tradecrafts (7 members)
- Sustained abilities (49 members)
- Sustained skills (11 members)
- Sustained spells (27 members)
- Swords (8 members)
- Swordsman fighting style weapons (6 members)
- Tails (12 members)
- Target abilities (8 members)
- Target skills (6 members)
- Target spells (6 members)
- Targets (8 members)
- Templates (1 member)
- Temporal effects (13 members)
- Tendrils (5 members)
- Tentacles (6 members)
- Terrorizing equipment (1 member)
- Text templates (3 members)
- Thief class abilities (19 members)
- Thief class skills (18 members)
- Thrown equipment (0 members)
- Todos (1 member)
- Tools (32 members)
- Touch delivery abilities (26 members)
- Touch delivery skills (1 member)
- Touch delivery spells (15 members)
- Tower Shielding equipment (2 members)
- Tradecraft bonus abilities (93 members)
- Tradecraft bonus keywords (3 members)
- Tradecraft expertise abilities (30 members)
- Tradecraft mastery abilities (30 members)
- Tradecraft talent abilities (30 members)
- Tradecrafts (35 members)
- Traits (8 members)
- Transformation effects (18 members)
- Treants (3 members)
- Trident fighting style weapons (1 member)
- Triple action abilities (8 members)
- Triple action spells (2 members)
- Trolls (11 members)
- Trunks (2 members)
- Truth detecting effects (24 members)
- Two-Handed equipment (7 members)
- UB abilities (45 members)
- UB skills (6 members)
- UB spells (23 members)
- UB weapons (2 members)