
Description: Conversations is an open source instant messaging client focused on security and privacy. It offers end-to-end encryption for chats and calls, preventing third parties from accessing communications.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Speak Messenger is a free, open source messaging app for Android that focuses on privacy and security. It offers encrypted messaging, does not collect user data or show ads, and includes additional privacy-focused features.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API