
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: Telepathy is an open source instant messaging client for Linux that aims to be simple, accessible and integrate well with the Linux desktop. It supports many popular chat protocols including XMPP/Jabber, IRC and SIP.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API