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 50 alternatives to Proton Mail for a variety of platforms, including Web-based, iPhone, Android, iPad and Mac 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. Zero Email icon
     6 likes

    Zero is an open-source AI email solution that gives users the power to self-host their own email app while also integrating external services like Gmail and other email providers. Our goal is to modernize and improve emails through AI agents to truly modernize emails.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Docker
     
  2. Migadu icon
     4 likes

    Consolidate all your email addresses and domains at a flat price. Take back your email liberty and give unlimited email addresses to all your projects, clients and family members.

    54 Migadu alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  3. 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...

    57 Swisscows.email alternatives

    Cost / License

    • Paid
    • Open Source

    Platforms

    • Online
    • iPhone
    • iPad
    • Android
    • Android Tablet
     
  4. 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
     
  5. HEY Email icon
     9 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

    104 HEY Email alternatives

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Snapcraft
     
  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. 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
     
  8. 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.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
     
  9. 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
     
  10. Galae icon
     1 like

    Galae is a secure email service focused on deliverability, self-management and interoperability. It totally relies on free/libre opensource software.

    Cost / License

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  11. Virtru icon
     5 likes

    Virtru provides digital privacy technology to let you easily share information securely through all major email programs and applications. Virtru puts you in charge of how your digital information is shared.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • iPhone
    • Yahoo! Mail
    • Outlook
    • Gmail
     
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