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SOGo alternatives · Email

SOGo alternatives with a Linux app

The SOGo listing does not include a Linux app. 23 of the 125 other email apps in this directory list a Linux app.

SOGo is free to use. 19 of them are free or have a free plan.

23 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

The 12 closest to SOGo

  1. Zimbra

    Self-hosted email, calendar and file sharing for organizations

    • SOGo has a free plan. Zimbra does not.
    • Only Zimbra lists Windows, macOS, Linux, iOS and Android apps.
    • Zimbra also covers tasks.
    Zimbra vs SOGoZimbra pricing and details

  2. iRedMail

    Open-source mail server installer for Linux and BSD

    • iRedMail starts at $499 for a 1-year iRedAdmin-Pro license, $250 per year to renew. SOGo is free.
    • Only iRedMail lists a Linux app.
    • Only SOGo lists a web app.
    iRedMail pricing and details

  3. Proton Mail

    End-to-end encrypted email service based in Switzerland

    • Proton Mail starts at $3.99 per month, billed every 12 months ($47.88); $4.99 billed monthly. SOGo is free.
    • Only Proton Mail lists macOS, Windows, Linux, iOS and Android apps.
    • Proton Mail is end-to-end encrypted, according to its own site.
    • SOGo is self-hostable, according to its own site.
    Proton Mail pricing and details

  4. Thunderbird

    Free, open-source email app for Windows, macOS, Linux and Android

    • Thunderbird is free. SOGo is free.
    • Only Thunderbird lists Windows, macOS, Linux and Android apps.
    • Only SOGo lists a web app.
    • SOGo is self-hostable, according to its own site.
    Thunderbird pricing and details

  5. Tuta Mail

    End-to-end encrypted email and calendar from Germany

    • Tuta Mail starts at €3 per month, paid yearly (lowest paid personal plan). SOGo is free.
    • Only Tuta Mail lists Windows, macOS, Linux, iOS and Android apps.
    • Tuta Mail is end-to-end encrypted, according to its own site.
    • SOGo is self-hostable, according to its own site.
    Tuta Mail pricing and details

  6. Evolution

    GNOME's free mail, calendar and address book app

    • Evolution is free. SOGo is free.
    • Only Evolution lists a Linux app.
    • Only SOGo lists a web app.
    • SOGo is self-hostable, according to its own site.
    Evolution pricing and details

  7. Betterbird

    A fork of Thunderbird with extra features and bug fixes

    • Betterbird is free. SOGo is free.
    • Only Betterbird lists Windows, macOS and Linux apps.
    • Only SOGo lists a web app.
    • SOGo is self-hostable, according to its own site.
    Betterbird pricing and details

  8. Axigen

    Mail server with calendars and webmail for Windows and Linux

    • Only Axigen lists Windows and Linux apps.
    • SOGo is open source, according to its own site.
    Axigen pricing and details

  9. SmarterMail

    Business mail server for Windows and Linux with webmail

    • SmarterMail starts at $550 for Professional with 50 mailboxes; license term not stated. SOGo is free.
    • Only SmarterMail lists Windows and Linux apps.
    • SOGo is open source, according to its own site.
    • SmarterMail also covers file sharing.
    SmarterMail pricing and details

  10. GFI KerioConnect

    Self-hosted business mail server with calendar, chat and local AI

    • SOGo has a free plan. GFI KerioConnect does not, though it has a free trial.
    • Only GFI KerioConnect lists Windows, macOS and Linux apps.
    • Only SOGo lists a web app.
    • SOGo is open source, according to its own site.
    GFI KerioConnect pricing and details

  11. HEY

    Email service and calendar with sender screening, from 37signals

    • HEY starts at $99 per year (HEY for You, annual billing only). SOGo is free.
    • SOGo has a free plan. HEY does not, though it has a free trial.
    • Only HEY lists macOS, Windows, Linux, iOS and Android apps.
    • SOGo is open source and self-hostable, according to its own site.
    HEY pricing and details

  12. Fastmail

    Paid, ad-free email with calendar, contacts and custom domains

    • Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly. SOGo is free.
    • SOGo has a free plan. Fastmail does not, though it has a free trial.
    • Only Fastmail lists Windows, macOS, Linux, iOS and Android apps.
    • SOGo is open source and self-hostable, according to its own site.
    Fastmail pricing and details

11 more that list a Linux app

All 23 in one table

Common questions

Which SOGo alternatives have a Linux app?

Zimbra, iRedMail, Proton Mail, Thunderbird, Tuta Mail, Evolution, Betterbird, Axigen and 15 more list a Linux app.

Does SOGo have a Linux app?

The SOGo listing does not include a Linux app. It lists Web.

Which of these email apps are free?

iRedMail, Proton Mail, Thunderbird, Tuta Mail, Evolution, Betterbird, Axigen, SmarterMail and 11 more are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 4, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to SOGo: the alternatives its listing names first, then the tools that share the most features with it.