
Description: Playground Sessions is a software that teaches piano through interactive lessons, feedback, and gamification. It includes a large library of popular songs to learn and adapts to your skill level.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Flowkey is a piano learning app that teaches users how to play piano through interactive lessons, sheet music, and feedback tools. It uses animated on-screen keyboards and listens to user's playing to provide real-time corrections.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API