
Description: Koel is an open source personal music streaming server that lets you listen to your music collection from any internet-connected device. It streams music files stored on your server rather than relying on a subscription service.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API