
Description: NixOS is a Linux distribution built on top of the Nix package manager. It uses a purely functional package management model that makes rollbacks and reproducibility easier. NixOS aims to be reliable, reproducible, and declarative.
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