Alternatives to Citizendium for all platforms with any license

Platforms

Show 17 less popular platforms
  • Wikipedia icon

    Wikipedia

    Wikipedia is a free, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Wikipedia has 17 million articles (3.5 million in English)...

    Free Windows Web / Cloud Android iPhone Blackberry ... Android Tablet Kindle Fire

  • Fandom icon

    Fandom

    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...

    Free Web / Cloud

    No features added Add a feature
  • Encyclopædia Britannica icon

    Encyclopædia Britannica

    The Encyclopædia Britannica is a general English-language encyclopaedia published by Encyclopædia Britannica, Inc., a privately-held company. The articles in...

    Commercial Mac Windows Web / Cloud

    No features added Add a feature
  • Referata icon

    Referata

    Referata offers hosting of semantic wikis, allowing you to add, structure and store data so it can be managed, shared, browsed and analyzed in as many ways as you...

    Freemium Web / Cloud Self-Hosted

  • Reference.com icon

    Reference.com

    Reference.com offers a massive online dictionary, thesaurus, encyclopedia, quote finder, and translator (powered by Google Translate)- all for free. For the...

    Free Web / Cloud

    No features added Add a feature
  • Dixio icon

    Dixio

    Dixio is the solution for all those who care about their language Who want to learn more and enrich their vocabulary: when you receive a presentation or prepare a...

    Freemium Windows Web / Cloud Android iPhone iPad

    No features added Add a feature
  • Viki - Wikipedia icon

    Viki - Wikipedia

    Wikipedia, better than ever—on iPhone, iPad, and Apple Watch. Discover the world and enjoy beautiful typography with this sleek app. FEATURES NEARBY PLACES:...

    Commercial iPhone iPad

    No features added Add a feature
  • Newslines icon

    Newslines

    Newslines lets people create shared timelines on any person, product or news event. Writers create news snippets that are combined into interactive multimedia timelines.

    Free Web / Cloud

  • Alchetron icon

    Alchetron

    Alchetron.com is a free social encyclopedia for world where you can create, organize and learn easily using topics. With Alchetron you can search & share...

    Free Mac Windows Linux Web / Cloud Android ... Chrome OS Android Tablet

  • Encyclopedia.com icon

    Encyclopedia.com

    Encyclopedia.com – Online dictionary and encyclopedia with pictures, facts, and videos. Get information and homework help with millions of articles in our FREE, online...

    Free Web / Cloud Java Mobile

    No features added Add a feature
  • purple icon

    purple

    Dictionary from the Elementary project.

    Open Source Linux

    No features added Add a feature
    • Discontinued This project has been replaced by https://launchpad.net/lingo-dictionary. Lingo is fully backwards compatible and will be available in Luna.
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  • Oppia icon

    Oppia

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

    Open Source Mac Windows Linux Web / Cloud Self-Hosted

    No features added Add a feature
  • Boopsie icon

    Boopsie

    Through way of different “channels”, Boopsie lets you intelligently search for content or articles on sites like IMDB, Wikipedia, Amazon and more. When you use the...

    Free Windows Mobile Android Java Mobile S60 Blackberry

    No features added Add a feature
  • Wikifur icon

    Wikifur

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

    Free Web / Cloud

    No features added Add a feature

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