The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- AsyncAskCat (2 members)
- BabyAnimal (2 members)
- DRGridTestRootNode (3 members)
- Flower (3 members)
- Imported vocabulary (9 members)
- Pages using the RSS extension (1 member)
- Pages with a PDF tag that were last edited by a user without permission to use the tag. (1 member)
- Pages with broken external content (4 members)
- Pages with external content (10 members)
- Rose (0 members)
- SortTulip1 (1 member)
- TestERM 45156 (1 member)
- Tests (4 members)
- Themenseite (2 members)
- Tulip (4 members)
