Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Online
- Python
- JavaScript
- Scala
- Java


YAGO is described as '2s 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' and is an app in the education & reference category. There are 2 alternatives to YAGO for a variety of platforms, including Windows, Linux, Web-based, Python and JavaScript apps. The best YAGO alternative is DBpedia, which is both free and Open Source.


OpenCyc is a 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.