
Description: Briar is a peer-to-peer encrypted messaging app designed for activists, journalists, and people at risk of persecution. It allows secure communication without relying on a central server, making it resistant to surveillance and censorship.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Jott Messenger is a free, ad-free messaging app that focuses on privacy and security. It offers encrypted messaging, allows users to set messages to disappear, and has no data tracking. Jott is easy to use with a clean interface and works across devices.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API