
Description: LilyPond is an open source music engraving program that produces publication-quality sheet music. It is cross-platform and used by musicians, music students, composers, and engravers to create professional music scores.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MuseScore is an open source and free music notation software. It allows users to create, edit, listen to and print sheet music. MuseScore can import and export MusicXML and MIDI files.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API