
Description: Otr.to is a free online chat service that allows users to have private, encrypted conversations. It uses end-to-end encryption to ensure conversations remain confidential and secure. Otr.to is easy to use and works in most browsers without needing to download additional software.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API