Mailpile is a webmail client with encryption and privacy features built-in. Mailpile is free and open-source software.
License: Open Source
Mailpile is an open-source email client that emphasizes user privacy and self-hosting, offering PGP encryption and a customizable interface. In contrast, Mailfence is a secure email service that provides end-to-end encryption and collaboration tools, making it suitable for both personal and professional use.