
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: Freebase is an open, graph-shaped database of facts about the real world. Freebase aims to organize human knowledge similar to databases like Wikipedia. It allows users to contribute facts and data that can be interlinked through its graph-shaped model.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API