
Description: Universe Sandbox is a physics-based space simulator that allows users to create and interact with planetary systems, galaxies, and more on a desktop computer. It can model gravitational effects, collisions, climate, and other astrophysical concepts.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Gravity Simulator is a physics simulation software that allows users to set up scenarios with planets, stars, black holes and other celestial bodies to visualize and study gravitational interactions. It has a simple interface for placing objects and setting parameters.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API