
Description: MetroMail is an easy-to-use email client for Windows. It provides a simple, clutter-free interface for managing multiple email accounts, contacts, and calendars.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Unibox is an open-source virtualization platform that allows you to run various operating systems and applications in isolated containers on a single machine. It provides a lightweight and efficient alternative to traditional virtual machines.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API