The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Sv-0 (0 members)
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- Switzerland-Suisse (2 members)
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- Template (1 member)
- Template:Documentation (9 members)
- Template:Mbox (38 members)
- Template:Msj (2 members)
- TemplateData documentation (22 members)
- Template Management (13 members)
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- Template documentation pages (225 members)
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- Templates (68 members)
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- Templates generating hAtom (1 member)
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- Templates using TemplateData (1 member)
- Temporal templates (1 member)
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- Text Formatting Templates (1 member)
- Text color templates (1 member)
- Text formatting templates (10 members)
- Thailand (0 members)
- Time and date maintenance templates (2 members)
- Top Bar (5 members)
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- Traducción (2 members)
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- Turkey (2 members)
- Turn (9 members)
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- USA (89 members)
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