
Description: Messenger for WhatsApp is a desktop application that allows you to use WhatsApp on your computer. It provides a convenient way to access WhatsApp without using your phone, with features like notifications, keyboards shortcuts, and tabbed messaging.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Matrix.org is an open source, decentralized communication protocol and network focused on secure and private communications. It allows users to communicate with each other on different platforms via chat, voice, video, etc.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API