
Description: iPhysics Sandbox is a physics simulation app that allows users to interact with various objects in a virtual sandbox. Place blocks, ramps, pendulums and more to experiment with gravity, friction, mass, velocity and other physics concepts.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Sandspiel is a free web-based sandbox game where users can place elements like sand, water, conveyor belts, glass, zombies, and more on a grid to create complex chain reactions and simulations.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API