
Description: Meebo was a free web-based instant messaging client that allowed users to access multiple IM accounts and networks in one interface. It supported popular platforms like AOL Instant Messenger, Yahoo! Messenger, MSN Messenger, and others. Meebo officially closed in 2012 after being acquired by Google.
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