
Description: Privnote is a free online service that allows users to create text notes that self-destruct after being read. It allows for end-to-end encrypted private messaging.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Adamant Messenger is a private messenger app focused on security and anonymity. It uses blockchain technology to provide encrypted chats, voice calls, and anonymous payments.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API