
Description: Enigmail is an extension for the Thunderbird email client that provides easy-to-use end-to-end encryption. It uses OpenPGP standards to encrypt, decrypt, sign and verify email communications.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Lavabit is an open-source encrypted email service that focuses on privacy and security. It was launched in 2004 but shut down in 2013 due to legal pressures.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API