
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: PreSonus Notion is a digital audio workstation and music notation software for Windows and Mac. It allows you to compose, record, edit, and share musical ideas and compositions. Key features include MIDI recording and editing, virtual instruments, notation tools, and the ability to share files with other notation programs.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API