
Description: ChordU is a chord progression and music composition web application. It allows users to generate chord progressions, view chord charts, and develop musical ideas into full compositions. The interface is simple and intuitive for quickly writing songs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Instrument Bible is a free web app that provides detailed information on musical instruments like guitars, pianos, drums, and more. It covers the history, construction, tonewoods, and other specs for hundreds of instruments.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API