
Description: PureDarwin is an open source operating system based on Darwin, the core set of components upon which macOS is also based. It allows users to run a version of Darwin without the proprietary components of macOS.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: The Linux kernel is a free and open-source operating system kernel first released in 1991 by Linus Torvalds. It serves as the core of Linux operating systems and is used widely in servers, mainframes, embedded devices, and Android smartphones.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API