
Description: ReactOS is an open-source operating system that aims to be binary-compatible with Windows applications and drivers. It provides a Windows-like desktop environment and functionality for users looking for a free and open alternative to commercial Windows operating systems.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Umbrel is an open-source personal server that makes it easy and safe to run Bitcoin and Lightning applications on your own hardware. It has a simple web interface to manage apps and funds.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API