
Description: Gryphn is an end-to-end encrypted text messaging app for iOS and Android. It allows users to send encrypted messages, make voice and video calls, and share media securely. Gryphn uses state-of-the-art encryption protocols to protect user data and communications.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Signal is a free, open source, encrypted messaging and voice calling app. It offers end-to-end encryption for secure communication. With Signal, users can send encrypted messages, make voice and video calls, and share media with individuals or groups.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API