
Description: Visopsys is an open-source operating system built from scratch for x86 PCs. It is designed primarily for educational purposes to demonstrate OS concepts, but can also be used for more practical purposes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Kubuntu is an official flavor of the Ubuntu Linux distribution that uses the KDE Plasma desktop environment. It offers a customizable and user-friendly experience with high stability.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API