Videogame wikis (general)
Keitai Wiki
- "dedicated to cataloging games from Japanese Feature Phones"
The Cutting Room Floor
- "dedicated to unearthing and researching unused and cut content
from video games"
Hidden Palace -
"dedicated to the preservation of video game development media (such
as prototypes, hardware, source code, artwork, and more)"
Videogame wikis (specific)
Terraria Wiki
Sega Retro Wiki
Hard Drop Wiki
- Tetris
Boktai
Pop'n Music Database
Very general wikis
Wikipedia -
"The Free Encyclopedia"
Contropedia
- Wikipedia in-article controversial edits viewer
Notabilia
Hatnote
- listen to wikipedia
Wiki Atlas
Welten 3d
- 3d maps of wikipedia
Citizendium
Somewhat general wikis
Stanford encyclopedia of philosophy
Visualizing SEP
Proof Wiki
Wikidoc
- The living textbook of medicine
Unsorted specific wikis
Fanlore Wiki -
"a wiki about fanworks and fan communities"
Beta Wiki
- "An open encyclopedia of software history"
AoPS wiki
Prime Wiki -
prime numbers
Tricki
- Math problem solving techniques
Math communication wiki
Openham -
"an open repository of all things amateur radio"
SCP Wiki -
"a collaborative speculative fiction website about the SCP
Foundation, a secretive organization that contains anomalous or
supernatural items and entities"
Pluralpedia
Camera Wiki
Media Wiki
- Open source software for making wikis
Web Revival Wikis
Melonland Wiki
- "This is a wiki for all sorts of cool stuff, like tips for making
sites n stuff"
Nekoweb Wiki
Penny's Pages
- (maybe abandoned)