
Description: XQuartz is an open-source X Window System that enables running X11 applications on macOS. It provides the necessary libraries and infrastructure for running and displaying X11 applications without needing to install a full Linux distribution or X11 server.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: X11 is a windowing system and graphical user interface commonly used on UNIX-like operating systems. It allows applications to display windows and graphics on the screen.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API