
Description: Tinfoil-SMS is a private text messaging app for Android that uses end-to-end encryption to secure messages. Its key features include private and encrypted group chats, media attachments, disappearing messages, and password protection for the app.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Silence IM is an alternative messenger app that allows you to communicate securely via end-to-end encryption. It protects your texts, calls and files from cybercriminals or eavesdroppers, keeping them private between you and the recipient.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API