Mailpile is a webmail client with encryption and privacy features built-in. Mailpile is free and open-source software.
License: Open Source
Hushmail offers a user-friendly, subscription-based email service with built-in encryption and a mobile app, making it suitable for users looking for ease of use and privacy. In contrast, Mailpile is an open-source, self-hosted email client focusing on privacy and flexibility, appealing to users who prefer control over their email environment.