
Description: Off-the-Record Messaging (OTR) is an encryption protocol that allows two parties to have private, encrypted conversations over instant messaging clients. It prevents eavesdropping and ensures the authenticity of messages.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: GoldBug is an open source, encrypted messaging application for Windows, macOS, Linux, iOS and Android. It provides end-to-end encryption of text messages, file transfers and voice calls between users.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API