
Description: RetroBSD is an open source recreation of the historical BSD operating systems from the 1970s through early 1990s. It is lightweight, portable, and aims to recreate the look, feel, and functionality of older BSD systems.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Fedora is a Linux distribution developed by the Fedora Project, sponsored by Red Hat. It aims to be a leading-edge operating system featuring the latest in free and open source software on a stable, secure, and easy-to-manage platform.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API