Citizendium AlternativesEncyclopedias and other similar apps like Citizendium

Citizendium is described as 'Powered by MediaWiki, is "an open wiki project dedicated to creating a free, comprehensive, and reliable repository of structured knowledge". Unlike with Wikipedia, a contributor must register using their real name and verify their identity' and is a Encyclopedia in the education & reference category. There are more than 25 alternatives to Citizendium for a variety of platforms, including Web-based, Android, iPhone, iPad and Self-Hosted apps. The best Citizendium alternative is Wikipedia, which is both free and Open Source. Other great apps like Citizendium are Ibis Wiki, Grokipedia, Encyclopædia Britannica and Miraheze.

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Alternatives list

  1. Wikipedia icon

    Wikipedia

     1633 likes
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    Free content, multilingual online encyclopedia written and maintained by a community of volunteers through a model of open collaboration, using a wiki-based editing system.

    69 Wikipedia alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Samsung Galaxy Store
    • F-Droid
    • Kindle Fire
    • MediaWiki
    The home page of Wikipedia.
     

    • Wikipedia is the most popular Web-based, Android, iPhone & iPad alternative to Citizendium.

    • Wikipedia is the most popular Open Source & free alternative to Citizendium.

    • Wikipedia is Free and Open SourceCitizendium is also Free and Open Source
  2. Ibis Wiki icon

    Ibis Wiki

     23 likes
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    Ibis is a federated encyclopedia which uses the ActivityPub protocol, just like Mastodon or Lemmy. Users can create, browse, edit articles and use many other features. If you want to start a wiki for a TV series, a video game, or an open source project, then Ibis is for you!

    30 Ibis Wiki alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Docker
    • Self-Hosted
    • PostgreSQL
    Ibis Wiki screenshot 1
    Ibis Wiki screenshot 2
     

    • Ibis Wiki is the most popular Self-Hosted alternative to Citizendium.

    • Ibis Wiki is Free and Open SourceCitizendium is also Free and Open Source
    • Ibis Wiki is Privacy focusedCitizendium is not according to our users
  4. Grokipedia icon

    Grokipedia

     15 likes
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    Grokipedia is an online encyclopedia created by xAI that positions itself as an alternative to Wikipedia. Articles are generated and later labeled as “fact checked by .

    18 Grokipedia alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    Main landing page
     
  5. Encyclopædia Britannica icon

    Encyclopædia Britannica

     51 likes
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    The Encyclopædia Britannica is a general English-language encyclopaedia published by Encyclopædia Britannica, Inc., a privately-held company. The articles in the Britannica are aimed at educated adult readers, and written by a staff of about 100 full-time editors and...

    26 Encyclopædia Britannica alternatives

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Online
    Main Page
     

    • Encyclopædia Britannica is the most popular Windows & Mac alternative to Citizendium.

    • Encyclopædia Britannica is Freemium and ProprietaryCitizendium is Free and Open Source
  6. Miraheze icon

    Miraheze

     33 likes
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    Miraheze is a wiki farm (hosts wikis) for free and with no ads, it also provides custom domains, extensions and many other features. It is based on MediaWiki.

    25 Miraheze alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    • MediaWiki
    Miraheze screenshot 1
     
  9. WikiSpooks.com icon

    WikiSpooks.com

     28 likes
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    WikiSpooks is a global alternative encyclopedia on politics, spy craft, deep state intelligence, and conspiracies, free of corporate influence, partisan politics, or government propaganda for historians and truth-seekers to read, edit, and share.

    79 WikiSpooks.com alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
     
  10. Fandom icon

    Fandom

     75 likes
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    FANDOM is a community-based service that allows anyone to create a wiki on virtually any subject. Discover, share and add your knowledge! Wikia is financed by advertisment!

    28 Fandom alternatives

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Wikia TV Page
     
  11. Oppia icon

    Oppia

     26 likes
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    Oppia is a free, open-source learning platform. Full of interactive activities called 'explorations', Oppia helps curious minds learn and teach.

    76 Oppia alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
    Oppia screenshot 1
     

    • Oppia is the most popular Linux alternative to Citizendium.

    • Oppia is Free and Open SourceCitizendium is also Free and Open Source
  12. WikiIndex icon

    WikiIndex

     14 likes
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    Welcome to WikiIndex, a wiki of all wiki, wiki people, wiki software, wiki farms, and wiki ideas, a 'work in progress' founded in 2006.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    WikiIndex screenshot 1
     
  13. Encyclopedia.com icon

    Encyclopedia.com

     11 likes
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    Online dictionary and encyclopedia with pictures, facts, and videos. Get information and homework help with millions of articles in our free, online library.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
     
  14. Wikifur icon

    Wikifur

     8 likes
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    User-editable encyclopedia for fans of anthropomorphic animals. Over 18,000 articles on furry community and culture in twenty-one languages.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
     
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