
Description: Metro is a free, ad-supported music player for Android that allows playing local music files and streaming from online sources. It has a modern design and offers features like tabs, widgets, tag editing, folder browsing, and custom themes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Volumio is an open source audiophile music player that runs on Linux hardware platforms including Raspberry Pi, PCs, and mini PCs. It has a user-friendly web UI for library browsing and playback control.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API