
Description: Empathy is an open source instant messaging client that supports text, voice and video chat. It uses the Telepathy framework and integrates with the GNOME desktop environment. Empathy supports popular protocols like XMPP, IRC, Facebook Messenger, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Bleep is a free and open source messaging app for Android and iOS that focuses on privacy and security. It allows encrypted messaging, voice calls, and video calls through end-to-end encryption protocols.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API