
Description: Polytoria is a free and open source collaborative world-building game inspired by games like Minecraft and Roblox. Players can join servers to collectively build structures and environments limited only by their creativity.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Oziverse is a free social virtual reality platform allowing users to create avatars and explore virtual worlds and meet other people in VR.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API