
Description: HEY is an email service developed by Basecamp that focuses on reducing email noise and improving productivity. Its key features include Imbox for priority emails, scheduled sending, and read receipts.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Tuta is an open source, privacy-focused email service that emphasizes security and anonymity. It offers end-to-end encryption, anonymous sign up without a phone number, and servers located in privacy-friendly jurisdictions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API