- 2023-05-21: Scientia Practica – a new wiki site about a diverse range of knowledge and insights
- 2023-04-12: Core Platform Team – a Semantic MediaWiki powered site for logging bug-fixes by MediaWiki developers
- 2023-04-01: Calendar Wiki – a wiki about calendars
- 2023-04-01: WappenWiki – a wiki about coats of arms
- 2023-04-01: Ewiger Held Wiki – Michael Moorcock and his books about the Eternal Hero (German)
- 2023-04-01: Plan 9 Wiki – about the operating system
- 2023-03-25: Thermal-FluidsPedia – thermal fluids science and engineering
- 2023-03-25: AlchemistryWiki – energy calculations in chemistry
- 2023-03-18: Pornopedia (eo) – Esperanto-language version of Pornopedia
- 2023-03-18: Pornopedia (bn) – Bengali-language version of Pornopedia
- 2023-03-14: Earthdata Wiki – semi-private site from NASA about Earth data
- 2023-02-01: Stunts Wiki – about the racing game Stunts
- 2023-01-15: Miraheze Commons – media files repository for the Miraheze wiki farm
- 2023-01-15: Miraheze Meta – meta wiki site for the Miraheze wiki farm
- 2023-01-15: Liberapedia (Miraheze) – fork of the original Liberapedia
- 2022-12-25: Independent Fallout Wiki – wiki dedicated to the Fallout game franchise
- 2022-12-16: Dwarf Fortress Wiki (en) – wiki about the computer game Dwarf Fortress
- 2022-12-06: VDR Wiki (VDR-Wiki.de) – German-language site for all aspects of a Video Disk Recorder
- 2022-12-02: Diary of a Wimpy Kid Wiki – independent wiki about the Diary of a Wimpy Kid books
- 2022-11-29: Niesiklopedia – Afrikaans-language version of Uncyclopedia
- 2022-11-27: WHATWG Wiki – a site used for making proposals for web standards
- 2022-11-23: Shadowiki – German-language wiki about the Shadowrun RPG, forked from Shadowhelix
- 2022-11-23: Shadowrun Wiki – wiki about the Shadowrun RPG
- 2022-11-22: Karl-May-Wiki – German-language site about Karl Friedrich May, a prolific and successful 19th century author of fictitious travels and adventures
- 2022-11-22: Whiki Meta Wiki – official meta wiki site for new British wiki farm for wikis relating to multimedia
- 2022-11-21: WikiSkripta – Czech-language space for cooperative creation and storage of medical educational materials
- 2022-11-19: The True Tropes Wiki – yet another TV Tropes mirror
- 2022-11-16: Higher Dimensional Geometry Wiki – about geometry in higher dimensions than the usual three ones
- 2022-11-14: SABRE Wiki – all about roads in the United Kingdom and Ireland, from the Society for All British and Irish Road Enthusiasts
- 2022-11-09: Aukrug Geschichte Wiki – German site about the history of the town of Aukrug in Germany
- 2022-11-01: 1001 Movies You Must See Before You Die Wiki – about the films in the book 1001 Movies You Must See Before You Die
- 2022-11-01: Lone Wolf Wiki – about the Lone Wolf gamebooks
- 2022-11-01: Tron Wiki (en) – about the 1980s' film Tron
- 2022-11-01: Tommy Westphall Universe – about the Tommy Westphall Hypothesis that an autistic boy on St. Elsewhere dreamed this series and every other series that has crossed over with it
- 2022-11-01: Inception Wiki – about Christopher Nolan's movie Inception
- 2022-11-01: James Cameron's Avatar Wiki – about the Avatar movie(s) by guess whom
- 2022-11-01: Sandman Wiki – about The Sandman by Neil Gaiman
- 2022-11-01: VexiWiki – a wiki about flags
- 2022-11-01: Vexillology Wiki – about vexillology, the science of flags
- 2022-10-31: SpongeBob Wiki – independent wiki about SpongeBob SquarePants
- 2022-10-31: Arthur Wiki – independent wiki about the Arthur TV show
- 2022-10-31: Triforce Wiki – independent wiki about The Legend of Zelda video game series
- 2022-10-31: SaGa Wiki – independent wiki about the SaGa series of games by Square Enix
- 2022-10-31: Wiki of Mana – independent wiki about the Mana series of games by Square Enix
- 2022-10-29: The Road of Time Wiki – for real and fictitious scenarios for the future, the past, and the present
- 2022-10-29: Segment Displays Wiki – about 7-segment displays
- 2022-10-29: LackaWiki – about the webcomic Lackadaisy with anthropomorphic cats
- 2022-10-29: The Official GPF Wiki – about the webcomic General Protection Fault
- 2022-10-29: Girl Genius – about the webcomic Girl Genius
- 2022-10-29: Order of the Stick Wiki – about the webcomic The Order of the Stick
- 2022-10-19: Military Wiki (Military-History.Wikia) – world's largest, free, interactive online military encyclopedia
- 2022-10-19: World War II Wiki – central hub for all World War II enthusiasts and historians and viewers
- 2022-10-15: SofaWiki – a file-based CMS wiki engine, based on MediaWiki syntax, supporting Semantic fields
- 2022-10-08: DiscWiki – German-language fan wiki for Terry Pratchett and his Discworld series
- 2022-10-04: MediEvil Wiki – an independent wiki community covering the MediEvil video game series
- 2022-10-02: Bildungsverein Region Karlsruhe – German-language wiki for the 'educational association in the Karlsruhe region'
- 2022-08-29: Quickipedia – about the Harry Potter fan fiction Alexandra Quick
- 2022-08-29: Sanctuary Shard – a private Ultima Online role-play community
- 2022-08-21: ButtUgly – a personal wiki site from Janne Jalkanen, powered by JSPWiki
- 2022-08-11: WikiPathways – a database of biological pathways maintained by and for the scientific community
- 2022-08-10: Wikibase Personal data – a space and an integrative toolbox for individuals and collectivities addressing surveillance capitalism and wanting to take control of their personal data
- 2022-07-31: FactGrid – a Wikibase (and Wikidata) instance initiated by the Gotha Research Centre in cooperation with Wikimedia Deutschland e.V., and hosted at the University of Erfurt in Germany
- 2022-07-29: hummy.tv wiki – a site for Humax personal video recorders
- 2022-07-13: Wiki de Historia Alternativa – a Spanish wiki for Alternate history
- 2022-07-09: VDJPedia – a wiki for the VirtualDJ programme, aka the VirtualDJ Knowledge Database
- 2022-06-28: permacomputing – a new site about permacomputing, powered by ikiwiki
- 2022-06-03: Thank You – an official Wikimedia Foundation wiki on the Wikipedia.org domain, used for thanking donors
- 2022-05-16: Astrologia Wiki – a Polish Wikia on astrology
- 2022-05-02: OpenZIM – website of the openZIM project
- 2022-03-26: Bisq Wiki – for Bisq, a decentralized bitcoin exchange network
- 2022-03-10: Chess Programming Wiki – all about creating chess programmes on computers
See earlier additions, specifically from: 2021 • 2020 • 2019 • 2018 • 2017 • 2016 • 2015 • 2014 • 2013 • 2012 • 2011 • 2010 • 2009 • 2008 • 2007 • 2006
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