
Description: macOS is Apple's operating system for Macintosh computers and laptops. It provides a graphical user interface and supports multi-touch gestures, full-screen apps, notification center, and multiple workspaces.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: IBM OS/2 is a discontinued operating system that was created as a joint effort between IBM and Microsoft. It was released in the late 1980s and early 1990s as an alternative to Microsoft Windows and Apple's Mac OS. Though it had some innovative features, OS/2 failed to gain widespread popularity and adoption.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API