
Description: YAGO is a large semantic knowledge base that combines information from several sources like Wikipedia, WordNet, and GeoNames. It uses automated methods to extract facts from these sources and link them together into a semantic network with over 10 million entities and 120 million facts.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: OpenCyc is an open source artificial intelligence project that aims to assemble a comprehensive ontology and knowledge base of everyday common sense knowledge. It contains hundreds of thousands of facts and rules about the world.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API