
Description: Windows Live Messenger was an instant messaging client developed by Microsoft. It allowed users to communicate in real-time via text, voice, and video chat. At its peak, Windows Live Messenger had over 330 million active users per month.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: RetroShare is a free and open-source peer-to-peer communication and file sharing app. It allows users to securely chat, message, talk, share files, and host forums. RetroShare aims to protect users' privacy and anonymity when communicating online.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API