
Description: Facebook Messenger is a popular messaging app developed by Facebook. It allows users to send messages, photos, videos, and make voice and video calls to contacts. Key features include group chats, games, payments and using bots.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MyChat is a free and open-source messaging app for Windows, Mac, Linux, Android and iOS. It allows secure messaging, voice and video calls between users. MyChat has end-to-end encryption and respects user privacy.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API