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StartMail alternatives · Email

StartMail alternatives with a Linux app

The StartMail listing does not include a Linux app. 13 of the 73 other email apps in this directory list a Linux app.

StartMail is a paid product with a free trial, starting at $4.99 per month, billed annually ($59.88). 10 of them are free or have a free plan.

13 tools · Listings checked up to Nov 12, 2026 · Where the facts come from

The 12 closest to StartMail

  1. 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. StartMail starts at $4.99 per month, billed annually ($59.88).
    • Proton Mail has a free plan. StartMail does not, though it has a free trial.
    • Only Proton Mail lists macOS, Windows, Linux and iOS apps.
    • Proton Mail is open source and end-to-end encrypted, according to its own site.
  2. Tuta Mail

    End-to-end encrypted email and calendar from Germany

    • Tuta Mail starts at €3 per month, paid yearly (lowest paid personal plan). StartMail starts at $4.99 per month, billed annually ($59.88).
    • Tuta Mail has a free plan. StartMail does not, though it has a free trial.
    • Only Tuta Mail lists Windows, macOS, Linux and iOS apps.
    • Tuta Mail is open source and end-to-end encrypted, according to its own site.
  3. 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. StartMail starts at $4.99 per month, billed annually ($59.88).
    • Only Fastmail lists Windows, macOS, Linux and iOS apps.
    • Fastmail also covers calendar.
    • StartMail also covers inbox filtering.
  4. BlueMail

    Cross-platform email client with a unified inbox and built-in AI

    • BlueMail starts at $35.99 per year (Plus, shown as $3 per month billed annually). StartMail starts at $4.99 per month, billed annually ($59.88).
    • BlueMail has a free plan. StartMail does not, though it has a free trial.
    • Only BlueMail lists iOS, macOS, Windows and Linux apps.
    • Only StartMail lists a web app.
  5. Claws Mail

    Lightweight GTK email and news client, free under the GPL

    • Claws Mail is free. StartMail starts at $4.99 per month, billed annually ($59.88).
    • Claws Mail has a free plan. StartMail does not, though it has a free trial.
    • Only Claws Mail lists Linux and Windows apps.
    • Only StartMail lists a web app.
  6. HEY

    Email service and calendar with sender screening, from 37signals

    • HEY starts at $99 per year (HEY for You, annual billing only). StartMail starts at $4.99 per month, billed annually ($59.88).
    • Only HEY lists macOS, Windows, Linux and iOS apps.
    • HEY also covers templates and calendar.
    • StartMail also covers inbox filtering.
  7. Thunderbird

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

    • Thunderbird is free. StartMail starts at $4.99 per month, billed annually ($59.88).
    • Thunderbird has a free plan. StartMail does not, though it has a free trial.
    • Only Thunderbird lists Windows, macOS and Linux apps.
    • Only StartMail lists a web app.
  8. Zoho Mail

    Ad-free business email hosting with calendar, tasks and notes

    • Zoho Mail starts at $1 per user / month, billed annually (Mail Lite, 5 GB). StartMail starts at $4.99 per month, billed annually ($59.88).
    • Zoho Mail has a free plan. StartMail does not, though it has a free trial.
    • Only Zoho Mail lists macOS, Windows, Linux and iOS apps.
    • Zoho Mail also covers tasks and calendar.
  9. Mailspring

    Open-source desktop email client for Mac, Windows and Linux

    • Mailspring starts at $8 per month, or $85 per year (Mailspring Pro). StartMail starts at $4.99 per month, billed annually ($59.88).
    • Mailspring has a free plan. StartMail does not, though it has a free trial.
    • Only Mailspring lists macOS, Windows and Linux apps.
    • Only StartMail lists a web app.
  10. Newton Mail

    Cross-platform email app with read receipts, snooze and send later

    • Newton Mail starts at $5 per month, billed annually ($6.99 billed monthly). StartMail starts at $4.99 per month, billed annually ($59.88).
    • Newton Mail has a free plan. StartMail does not, though it has a free trial.
    • Only Newton Mail lists macOS, Windows, Linux and iOS apps.
    • Only StartMail lists a web app.
  11. Zimbra

    Self-hosted email, calendar and file sharing for organizations

    • Only Zimbra lists Windows, macOS, Linux and iOS apps.
    • Zimbra is open source and self-hostable, according to its own site.
    • Zimbra also covers tasks and calendar.
    • StartMail also covers inbox filtering.
  12. Evolution

    GNOME's free mail, calendar and address book app

    • Evolution is free. StartMail starts at $4.99 per month, billed annually ($59.88).
    • Evolution has a free plan. StartMail does not, though it has a free trial.
    • Only Evolution lists a Linux app.
    • Only StartMail lists a web app.

1 more that list a Linux app

All 13 in one table

Common questions

Which StartMail alternatives have a Linux app?

Proton Mail, Tuta Mail, Fastmail, BlueMail, Claws Mail, HEY, Thunderbird, Zoho Mail and 5 more list a Linux app.

Does StartMail have a Linux app?

The StartMail listing does not include a Linux app. It lists Web and Android.

Which of these email apps are free?

Proton Mail, Tuta Mail, BlueMail, Claws Mail, Thunderbird, Zoho Mail, Mailspring, Newton Mail and 2 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 12, 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 StartMail: the alternatives its listing names first, then the tools that share the most features with it.