
Description: KaiOS is a mobile operating system based on Linux that is designed for feature phones and low-end smartphones. It enables some smartphone-like capabilities on affordable devices, including apps, 4G LTE, GPS, and Wi-Fi support.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Tizen is an open source operating system based on Linux and supported by the Linux Foundation. It is designed for a wide range of devices including smartphones, tablets, smart TVs, wearables and other IoT devices.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API