Alternatives to ProtonMail for Mac with any license

  • Mailpile

    Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features. The development of Mailpile is funded by a large community of backers and...

    Free Open Source Mac Windows Linux Web Self-Hosted ... OpenPGP

    Mailpile icon
    • Mailpile is fantastic, but it's not really a Protonmail alternative. Protonmail is a webmail service; Mailpile is an email client, not a service. But it is good and open source... just it serves a different purpose, really. JohnFastmanDec 2016 • 12 agrees and 1 disagrees Disagree   Agree
    • Mailpile is a client, protonmail is a service. It's like, say, Google Chrome vs Google Search Guest • 6 days ago Disagree   Agree
  • GPGMail

    GPGMail is an open source plugin for Apple Mail. It brings the functionality to sign, verify, encrypt and decrypt mails using the...

    Free Open Source Mac OS X GPGTools

    No features added Add a feature

    GPGMail icon
  • Secure Gmail

    An extension to send secure, encrypted messages through Gmail. SecureGmail encrypts and decrypts emails you send in Gmail. This happens all on your machine, and the...

    Free Open Source Mac OS X Windows Linux Chrome Gmail

    Secure Gmail icon
  • Lockbin

    Lockbin is a web application for sending private email messages and files. People use it to send things like credit card numbers or confidential information.

    Freemium Mac OS X Windows Linux Android Android Tablet

    No features added Add a feature

    Lockbin icon
  • OnionMail

    OnionMail is an anonymous and encrypted mail server made to run on the TOR network without losing the ability to communicate with the Internet.

    Free Mac OS X Windows Linux Web Android ... iPhone

    OnionMail icon
  • Mynigma

    Mynigma is a new kind of email client with built-in encryption.

    Free Personal Mac OS X iPhone iPad

    Mynigma icon
    • Discontinued Has not been updated since September 2016 and website has no content.
  • LuxSci

    Providing HIPAA-compliant email, secure email & web services since 1999. Secure communications via email, text, chat, video, and web.

    Freemium Mac OS X Windows Web Self-Hosted

    LuxSci icon

Platforms

Desktop

Mobile

Web / Online

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