
Description: BlackHole Music Player is an open-source, minimalist music player for macOS. It has a clean and intuitive interface allowing users to easily manage large music libraries. Key features include gapless playback, last.fm scrobbling support, and audio device routing.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Sangeethapriya is a free and open source music notation software for Windows. It allows users to create, edit, print and play back music scores. Key features include MIDI input and playback, audio waveform display, support for Guitar Pro and MusicXML formats, and editing tools for notes, symbols, lyrics etc.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API