This post is a collection of wikis. There are 73 wikis listed below alphabetically. Source: Wikipedia
- AboutUs.com - internet directory
- ArchWiki - computers
- Appropedia - poverty reduction
- Astrodatabank - astrology
- Baidu Baike - encyclopedia
- Base de datos - encyclopedia
- Catawiki - catalogues
- Citizendium - encyclopedia
- Conservapedia - encyclopedia
- Copyright Evidence - copyright studies
- Choral Public Domain Library - music
- DavisWiki - Davis, California
- EcuRed - Cuba and global issues
- Enciclopedia Libre Universal en Español - encyclopedia
- Encyclopedia of Mathematics - mathematics
- Encyclopedia Dramatica - internet memes
- Everipedia - encyclopedia
- Family History Research Wiki - genealogy
- Fandom.com - entertainment
- Fanlore - fandom
- Foodista - cooking
- Gardenology.org - gardening
- GCpedia - government
- GeoNames - places
- Glottopedia - linguistics
- Heraldry of the World - heraldry
- Intellipedia - government, intelligence
- International Music Score Library Project - music
- Know Your Meme - internet memes
- MeatballWiki - online communities
- MyWikiBiz - business directory
- Namuwiki - encyclopedia
- nLab - math, physics, philosophy
- OpenStreetMap - maps
- OpenWetWare - biology
- PCGamingWiki - video games
- PlanetMath - mathematics
- Proteopedia - chemistry
- RationalWiki - encyclopedia
- Rangjung Yeshe Wiki - Himalayan Buddhism
- Rosetta Code - computer code
- Scholarpedia - encyclopedia
- Scratch Wiki - computers
- Sensei's Library - Go game
- SKYbrary - aviation safety
- SNPedia - biology
- Stadtwiki Karlsruhe - encyclopedia
- TermWiki - languages
- Travelerspoint - travel
- TV Tropes - encyclopedia
- UK LGBT - LGBT history
- Uncyclopedia - parody encyclopedia
- Wien Geschichte Wiki - Vienna history
- WikiAnswers - General knowledge
- WikiArt - art, paintings
- Wikibooks - textbooks
- Wikidata - data encyclopedia
- WikiEducator - education
- WikEM - emergency medicine
- WikiFur - furry fandom
- wikiHow - How-to articles
- Wikimapia - maps
- Wikimedia Commons - media
- Wikinews - news
- Wikipedia - encyclopedia
- Wikiquote - quotes
- WikiShia - Shi'a Islam
- Wikisource - text sources
- Wikispecies - biology
- Wikitravel - travel
- WikiTree - genealogy
- Wikiversity - learning communities
- Wikivoyage - travel
- Wiktionary - multilingual dictionary