
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: qutIM is an open-source instant messaging client for Linux, Windows and macOS that supports multiple protocols including ICQ, Jabber, Mail.Ru Agent, Facebook Messenger, Telegram, VK, and others. It is customizable with plugins and themes.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API