
Description: StepMania is an open-source rhythm video game that allows you to play rhythm games similar to Dance Dance Revolution and Pump It Up. You can download custom song packs and create your own step charts through the editor.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: osu! is a free-to-play rhythm game developed by Dean Herbert. Players use a tablet/mouse to hit circles in time with the music. It has a huge library of user-created beatmaps and an online ranking system to compare scores.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API