
Description: SIGAINT is an email service launched in 2014 that offered encrypted and anonymous email accounts. It was known for its privacy features and for being used by activists and journalists to protect communications.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Proton Mail is an encrypted email service based in Switzerland that emphasizes privacy and security. It offers end-to-end encryption, anonymous sign up, self-destructing messages, and more features to protect user data and communications.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API