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Alternatives

Best Mailfence alternatives in 2026

Mailfence is openPGP email and calendar with a free plan and Belgian privacy law. These 5 alternatives come from the same rankings, ordered by editorial score. Connected products carry a small, disclosed lift.

5 alternatives From best secure email providers How we rank

Ranked alternatives

  1. 1

    Proton Mail

    Is open source; also runs on macOS, Windows, Linux. Zero-access encryption, a free plan and apps on every major platform, with the web client published under GPL-3.0. Custom domains and extra storage need the paid plans.

    Best for Private email with a free plan and apps

    WebiOSAndroidmacOSWindowsLinuxFree plan, paid upgradesOpen source

    92.0score
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  2. 2

    Tuta

    Is open source; also runs on Windows, macOS, Linux. End-to-end encrypted mail and calendar on a free plan with post-quantum encryption, open-source clients under GPLv3 and servers in Germany. The free plan has only 1 GB of storage.

    Best for Encrypted email and calendar on a free plan

    WebiOSAndroidWindowsmacOSLinuxFree plan, paid upgradesOpen source

    90.0score
    Visit Alternatives
  3. 3

    Posteo

    An ad-free account from 1 euro a month, with anonymous registration and optional encryption of stored data. The site lists no free plan, and only the web platform is listed.

    Best for Ad-free, low-cost email with anonymous sign-up

    WebSubscription

    84.5score
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  4. 4

    Runbox

    Norwegian hosting under Norwegian privacy law, browser PGP compatibility and renewable electricity. It has no free plan after the 30-day trial and lists only the web platform.

    Best for Norway-hosted email with PGP compatibility

    WebSubscription

    83.0score
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  5. 5

    mailbox.org

    German data centers certified to ISO 27001, with plans from 1 euro a month after a 30-day trial. The entry plan has 2 GB of mail storage, and there is no free plan after the trial.

    Best for German-hosted email with cheap entry plans

    WebSubscription

    81.5score
    Visit Alternatives

Narrow the alternatives

Open-source alternatives to Mailfence

Mailfence alternatives for Linux

Mailfence alternatives for Windows

Mailfence alternatives for macOS

About Mailfence alternatives

What is the best alternative to Mailfence?
On listme.name the highest-scored alternative is Proton Mail, followed by Tuta. The right choice depends on price, platform and whether you need open source.
Is there a free alternative to Mailfence?
Yes. Free options include Proton Mail, Tuta.