
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: hello System is an open-source messaging and video chat application. It allows users to connect with friends and family through one-on-one and group messaging, voice calls, and video calls.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API