
Description: Rhythmbox is an open-source music player for Linux based operating systems. It supports playing and managing local music libraries as well as streaming music from online services. Rhythmbox allows users to organize their music into playlists and has features like album cover art, rating songs, internet radio support, and audio CD burning.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Potamus is a free, open-source diagramming and wireframing tool for creating sitemaps, flowcharts, wireframes, and more. It has a simple and intuitive drag-and-drop interface to easily arrange shapes and connectors on a canvas.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API