
Description: SimpleX Chat is a free, open source instant messaging application allowing users to message, voice and video chat securely without disclosing their personal phone numbers. SimpleX is an alternative for messaging apps like WhatsApp, Telegram, Viber, Skype, Facebook messenger, etc. SimpleX aims to set a new standard for privacy and security.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Keybase is a secure messaging and file sharing app that utilizes end-to-end encryption and blockchain-based authentication. It allows users to securely chat, make audio/video calls, share files, and collaborate on projects.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API