The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Explanatory guides for Thinkpad X220 Tablet (1 member)
- Explanatory guides for Thinkpad X220i (1 member)
- Explanatory guides for Thinkpad X220i Tablet (1 member)
- Explanatory guides for Thinkpad X230 (1 member)
- Explanatory guides for Thinkpad X230 Tablet (1 member)
- Explanatory guides for Thinkpad X230i (1 member)
- Explanatory guides for Thinkpad X230i Tablet (1 member)
- Explanatory guides for Transistors (1 member)
- Explanatory guides for VivoBook S551LA (1 member)
- Explanatory guides for VivoBook S551LB (1 member)
- Explanatory guides for Xbox Elite Wireless Controller (1 member)
- Explanatory guides for Xbox Elite Wireless Controller Series 2 (1 member)
- Explanatory guides for Xbox Wireless Controller (1 member)
- Fairphone (2 members)
- Fairphone Phones (1 member)
- Formatting templates (3 members)
- Game Consoles (27 members)
- General Repair Guides (1 member)
- Google (2 members)
- Google Phones (1 member)
- Guide (2 members)
- HDZero (5 members)
- HDZero Drones (4 members)
- HP (2 members)
- HP Television/Monitors (1 member)
- HTC (3 members)
- HTC Game Consoles (2 members)
- Hanns.G (2 members)
- Hanns.G Television/Monitors (1 member)
- Help (1 member)
- Huawei (2 members)
- Huawei Phones (1 member)
- Imported vocabulary (7 members)
- Industrial Devices (0 members)
- LG (3 members)
- LG Television/Monitors (1 member)
- LG Televisions/Monitors (0 members)
- Laptops (45 members)
- Lenovo (10 members)
- Lenovo Laptops (9 members)
- Manufacturer (30 members)
- Medical Equipment (0 members)
- Microsoft (10 members)
- Microsoft Game Consoles (9 members)
- Miniware (2 members)
- Miniware Others (1 member)
- Missing device page (30 members)
- Nikon (2 members)
- Nikon Cameras (1 member)
- Nintendo (5 members)