
Description: Mezzano is an open-source operating system that aims to recreate the functionality, APIs, and overall feel of 16-bit operating systems from the 1990s like MS-DOS or Windows 95/98. It runs on modern 64-bit CPUs and provides both a text-based interface and basic GUI.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Xubuntu is a free and open source Linux distribution based on Ubuntu but uses the Xfce desktop environment instead of Ubuntu's GNOME. It aims to provide a lightweight yet fully functional Linux desktop experience for low-end systems or older hardware.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API