Alternatives to OpenCyc for all platforms with any license

  • SWI Prolog

    SWI-Prolog offers a comprehensive Free Software Prolog environment for programming software that does logical reasoning. Together with its graphics toolkit XPCE, its...

    Free Open Source Mac Windows Linux

    SWI Prolog icon
  • YAGO

    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...

    Free Open Source Web Java Mobile

    YAGO icon
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