Proton Mail Alternatives

Proton Mail is described as 'Secure Swiss-based email with end-to-end encryption and zero third-party access. Available across devices, offering a free version to promote privacy' and is a leading webmail provider in the security & privacy category. There are more than 100 alternatives to Proton Mail for a variety of platforms, including Web-based, iPhone, Android, iPad and SaaS apps. The best Proton Mail alternative is Tuta Mail, which is both free and Open Source. Other great apps like Proton Mail are Posteo, Disroot, mailbox and Mailfence.

filter to find the best alternatives

Proton Mail alternatives are mainly WebMail Providers, but if you're looking for Email Clients or Calendar Apps you can filter on that. Other popular filters include Free, Open Source and Self-Hosted. These are just examples - use the filter bar below to find more specific alternatives to Proton Mail.
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Alternatives list

  1. Kolab Now icon
     43 likes

    Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure.

    Cost / License

    • Paid
    • Open Source

    Platforms

    • Online
    • Software as a Service (SaaS)
    • DAVx5
     
  2. Soverin icon
     15 likes

    Soverin is an independent private company based in Amsterdam, run by a team of internet enthusiasts who want to create great products that are safe, beautiful and easy to use. We’re passionate about changing the status quo and actively want to raise awareness about digital...

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
     
  3. Criptext icon
     10 likes

    Finally, an email service that's built around your privacy. Get your @criptext.com email address and see what it's like to have peace of mind and privacy in every email you send.

    Cost / License

    • Free Personal
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
     
    |
    1
    Discontinued

    Creator recently sent and email about going solo, but since then support has been unresponsive, as have nearly all new issues on github for a year now if not more...

    Criptext vs Proton Mail Comments
    Guest
    Positive
    3

    Even thought Proton Mail is a good privacy focused email, it still holds both your emails and your keys on their servers. Regarding ownership, Criptext gives the user ownership over their keys, which reside only on the user's devices. It also uses Signal Protocol for encryption which I personally like better than just using pgp.

    • Criptext is Free Personal and Open SourceProton Mail is Freemium and Open Source
    • Criptext is an Email Client Proton Mail is a WebMail Provider
  4. Forward Email icon
     8 likes

    Forward Email is the best email service, encrypted email service, and fastest email service. It supports unlimited domains and aliases for no extra cost. It uses quantum safe ChaCha20-Poly1305 encryption and offers SMTP, IMAP, POP3, email webhooks, email regular expressions...

    45 Forward Email alternatives

    Cost / License

    Application type

    Platforms

    • Self-Hosted
    • Online
     
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    1
    Forward Email vs Proton Mail Comments
    linuxplayer
    Negative
    1

    Needs an existing email to be used for free. You have to pay to create an email.

    • Forward Email is Freemium and Open SourceProton Mail is also Freemium and Open Source
  5. Swisscows.email is another product of Swisscows AG. This product offers you secure email traffic. With Swisscows.email you can send your emails encrypted so that absolutely no one can read them. The service is comparable to a letter that is protected from prying eyes in an...

    Cost / License

    • Paid
    • Open Source

    Platforms

    • Online
    • iPhone
    • iPad
    • Android
    • Android Tablet
     
  6. Trustifi icon
     Like

    Looking to send an email that is secured, tracked and certified? Trustifi is an encrypted email service. Start sending & receiving encrypted emails.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Software as a Service (SaaS)
     
  7. HEY Email icon
     10 likes

    Hey is a new hosted email service launched by the makers of Basecamp , which aims to organize your email inbox. Since they don’t sell ads, or invade your privacy, they charge $99/year for HEY

    110 HEY Email alternatives

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Snapcraft
     
  8. systemli.org icon
     5 likes

    Systemli.org is a left network and technics-collective that was founded in 2003. Our aim is to provide safe and trustworthy communication services. The project addresses political activists and people who have a particular need to protect their data.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
     
  9. Unofficial ProtonMail extension. Provides notifications and makes it possible to close the ProtonMail tab, and even the browser, without getting logged out.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    • ProtonMail
    • Google Chrome
    • Firefox
     
  10. OnionMail icon
     3 likes

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

    14 OnionMail alternatives

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
     
  11. LuxSci icon
     1 like

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

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    • Self-Hosted
     
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