The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Dell (2 members)
- Dell Laptops (1 member)
- Device (198 members)
- Drones (12 members)
- Epson (4 members)
- Epson Cameras (1 member)
- Epson Printers (1 member)
- Explanatory Guides (0 members)
- Explanatory guide (61 members)
- Explanatory guides for AMD GPUs (1 member)
- Explanatory guides for Apple Laptops (1 member)
- Explanatory guides for Apple Phones (2 members)
- Explanatory guides for Aspire E5-571G (1 member)
- Explanatory guides for CRT Displays (2 members)
- Explanatory guides for CRT Television (1 member)
- Explanatory guides for Capacitors (1 member)
- Explanatory guides for Computer Graphics Cards (1 member)
- Explanatory guides for Diodes (1 member)
- Explanatory guides for Epson ELPDC21 (1 member)
- Explanatory guides for GTX 1060 (6 members)
- Explanatory guides for GTX 1070 (6 members)
- Explanatory guides for GTX 1070Ti (6 members)
- Explanatory guides for GTX 1080 (6 members)
- Explanatory guides for GTX 1080Ti (6 members)
- Explanatory guides for General (2 members)
- Explanatory guides for IPhone 11 (1 member)
- Explanatory guides for IPhone 11 Pro (1 member)
- Explanatory guides for IPhone 11 Pro Max (1 member)
- Explanatory guides for IPhone 12 (1 member)
- Explanatory guides for IPhone 12 Mini (1 member)
- Explanatory guides for IPhone 12 Pro (1 member)
- Explanatory guides for IPhone 12 Pro Max (1 member)
- Explanatory guides for IPhone 13 (1 member)
- Explanatory guides for IPhone 13 Mini (1 member)
- Explanatory guides for IPhone 13 Pro (1 member)
- Explanatory guides for IPhone 13 Pro Max (1 member)
- Explanatory guides for IPhone 14 (1 member)
- Explanatory guides for IPhone 14 Plus (1 member)
- Explanatory guides for IPhone 14 Pro (1 member)
- Explanatory guides for IPhone 14 Pro Max (1 member)
- Explanatory guides for IPhone 15 (1 member)
- Explanatory guides for IPhone 15 Plus (1 member)
- Explanatory guides for IPhone 15 Pro (1 member)
- Explanatory guides for IPhone 15 Pro Max (1 member)
- Explanatory guides for IPhone X (1 member)
- Explanatory guides for IPhone XS (1 member)
- Explanatory guides for IPhone XS Max (1 member)
- Explanatory guides for Inductors (1 member)
- Explanatory guides for Nintendo Switch (4 members)
- Explanatory guides for Nvidia GPUs (1 member)
- Explanatory guides for Playstation 4 (1 member)
- Explanatory guides for Playstation 4 Pro (1 member)
- Explanatory guides for Playstation 4 Slim (1 member)
- Explanatory guides for Printers (3 members)
- Explanatory guides for RTX 2060 (5 members)
- Explanatory guides for RTX 2070 (5 members)
- Explanatory guides for RTX 2080 (5 members)
- Explanatory guides for RTX 2080Ti (5 members)
- Explanatory guides for RX 460 (7 members)
- Explanatory guides for RX 470 (7 members)
- Explanatory guides for RX 480 (7 members)
- Explanatory guides for RX 560 (7 members)
- Explanatory guides for RX 570 (7 members)
- Explanatory guides for RX 5700 (4 members)
- Explanatory guides for RX 5700XT (4 members)
- Explanatory guides for RX 580 (7 members)
- Explanatory guides for RX 590 (7 members)
- Explanatory guides for Raspberry Pi (4 members)
- Explanatory guides for Resistors (1 member)
- Explanatory guides for Television/Monitors (2 members)
- Explanatory guides for Televisions/Monitors (0 members)
- Explanatory guides for Thinkpad L412 (1 member)
- Explanatory guides for Thinkpad L420 (1 member)
- Explanatory guides for Thinkpad L421 (1 member)
- Explanatory guides for Thinkpad L430 (1 member)
- Explanatory guides for Thinkpad L512 (1 member)
- Explanatory guides for Thinkpad L520 (1 member)
- Explanatory guides for Thinkpad L530 (1 member)
- Explanatory guides for Thinkpad T400s (1 member)
- Explanatory guides for Thinkpad T410 (1 member)
- Explanatory guides for Thinkpad T410i (1 member)
- Explanatory guides for Thinkpad T410si (1 member)
- Explanatory guides for Thinkpad T420 (1 member)
- Explanatory guides for Thinkpad T420i (1 member)
- Explanatory guides for Thinkpad T420s (1 member)
- Explanatory guides for Thinkpad T420si (1 member)
- Explanatory guides for Thinkpad T430 (1 member)
- Explanatory guides for Thinkpad T430i (1 member)
- Explanatory guides for Thinkpad T430s (1 member)
- Explanatory guides for Thinkpad T430si (1 member)
- Explanatory guides for Thinkpad T510 (1 member)
- Explanatory guides for Thinkpad T510i (1 member)
- Explanatory guides for Thinkpad T520 (1 member)
- Explanatory guides for Thinkpad T520i (1 member)
- Explanatory guides for Thinkpad T530 (1 member)
- Explanatory guides for Thinkpad T530i (1 member)
- Explanatory guides for Thinkpad W510 (1 member)
- Explanatory guides for Thinkpad W520 (1 member)
- Explanatory guides for Thinkpad W530 (1 member)
- Explanatory guides for Thinkpad X220 (1 member)