
Description: SigmaOS is an open-source operating system designed for security, privacy, and flexibility. It is based on Linux and aims to provide advanced security features out of the box while remaining user-friendly.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: WebCatalog is an open-source Electron-based app store for Windows, Mac and Linux. It allows you to install web apps like Google Docs, Slack, Facebook Messenger as standalone desktop applications. It also supports PWA installation.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API