
Description: Math: Unknown is a computer algebra system designed for solving mathematical problems symbolically. It has a wide range of features including symbolic and numerical calculations, 2D/3D plotting, and support for publishing documents.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Zero is a minimalist number sliding puzzle game with a zen, meditative feel. Slide the tiles to combine numbers that add up to zero in each level. Simple, clean visuals and gameplay create a calming experience.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API