
Description: music21 is an open-source Python toolkit for computational musicology. It can help analyze, search, and transform musical scores with features like chord identification, key detection, and more. Useful for musicians, musicologists, and researchers.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: EasyABC is a free and open-source music notation software for Windows. It allows users to create, edit, print, play back and share sheet music. EasyABC features MIDI playback, audio export, notation editing tools, and supports ABC notation for entering music.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API