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In the course of your academic or professional life, a piece of information that you need may not be readily available through a quick Google search. That’s when online encyclopedias come in handy. Specialized encyclopedias such as MusicBrainz for music and Ancient History Encyclopedia for history will be able to provide more information on specific topics than conventional search engine results.

  1. 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.

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

  3. 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.

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  4. Scholarpedia is a peer-reviewed open-access encyclopedia written and maintained by scholarly experts from around the world. Scholarpedia is inspired by Wikipedia and aims to complement it by providing in-depth scholarly treatments of academic topics.

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  5. Metapedia is an electronic encyclopedia which focuses on culture, art, science, philosophy and politics.


    According to WikiPedia and various user reports: “Metapedia is an online wiki-based encyclopedia, which contains fascist, far-right, white nationalist, white supremacist, anti-feminist, homophobic, Islamophobic, antisemitic, Holocaust-denying, and neo-Nazi points of view.”

    Metapedia International Page
  6. The web's source of information for Ancient History: definitions, articles, timelines, maps, books, and illustrations.

  7. Worldometers icon
    • Free PersonalProprietary
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • Chrome OS
    • Android Tablet

    Worldometers is run by an international team of developers, researchers, and volunteers with the goal of making world statistics available in a thought-provoking and time relevant format to a wide audience around the world.

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  8. Citizendium, 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.

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  9. Microsoft Encarta was a digital multimedia encyclopedia published by Microsoft Corporation from 1993 until 2009.


    Microsoft announced it was discontinuing Encarta on March 2009

    Encarta  2009
  10. Dictionary and offline Wikipedia reader.

  11. Protopedia is a wiki style database containing information on a wide array of biological macromolecules.

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

  13. Giggle wiki is a free collaborative encyclopedia!.

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

  15. Stubia is a mobile encyclopedia that limits each article to 160 characters: this limitation makes each topic easy to understand.