
Description: ABCEditor is a free open source music notation software for Windows. It allows you to create, edit, play back, and print sheet music using the ABC music notation format. Useful for musicians and composers to write and arrange songs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Denemo is an open-source music notation editor for Linux that allows you to quickly and easily create musical scores. It supports standard notation, guitar tablature, and lyrics.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API