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OpenCyc Alternatives

OpenCyc is described as 'cut-down open version of the Cyc technology, the world's largest and most complete general knowledge base and commonsense reasoning engine. Cycorp, the builders of Cyc, have set up an independent organization, OpenCyc' and is an app. There are three alternatives to OpenCyc for a variety of platforms, including Online / Web-based, PortableApps.com, Windows, Java Mobile and Linux. The best alternative is Freebase, which is free. Other great apps like OpenCyc are SWI Prolog and YAGO.

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OpenCyc iconOpenCyc
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  • FreeProprietary
  • Windows
  • Linux

OpenCyc is a cut-down open version of the Cyc technology, the world's largest and most complete general knowledge base...

Learn more about OpenCyc

  1. Freebase icon

    Freebase

    • FreeProprietary
    • Online

    Freebase is a free, knowledge graph with millions of people, places, and things. Freebase contains tens of millions of topics, thousands of types, and tens of thousands of properties. By comparison, English Wikipedia has over 4 million articles.

    Discontinued

    According to https://developers.google.com/freebase/ the API has been shut down, but there are still data-dumps available.

    Screenshot
  2. SWI Prolog icon

    SWI Prolog

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • PortableApps.com

    SWI-Prolog offers a comprehensive Free Software Prolog environment for programming software that does logical reasoning. Together with its graphics toolkit XPCE, its development started in 1987 and has been driven by the needs for real-world applications.

    No screenshots yet


  3. YAGO icon

    YAGO

    • FreeOpen Source
    • Online
    • Java Mobile

    YAGO2s is a huge semantic knowledge base, derived from Wikipedia WordNet and GeoNames. Currently, YAGO2s has knowledge of more than 10 million entities (like persons, organizations, cities, etc.) and contains more than 120 million facts about these entities.

    Screenshot
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