
Description: HarmonyOS is an open-source, microkernel-based operating system developed by Huawei. It is designed for various devices and scenarios, including smart devices, IoT, automotive technology and more. HarmonyOS aims to deliver a cohesive user experience across different platforms.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: GrapheneOS is an open source privacy and security focused mobile OS based on Android. It aims to provide strong security and privacy protections while maintaining compatibility with Android apps.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API