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Mailspring

Open-source desktop email client for Mac, Windows and Linux with optional Pro features.

Free plan + paidOpen sourceEmail clients
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About Mailspring

Mailspring is a free, open-source desktop mail client for Mac, Windows and Linux, originally a fork of the discontinued Nylas Mail. It handles Gmail, Outlook, iCloud, Yahoo and IMAP accounts with a unified inbox, fast search, themes, keyboard shortcuts, touch and gesture support, and a sync engine written in C++ that keeps memory use reasonable for an Electron app. The free version covers everyday email well. Mailspring Pro, a monthly subscription, adds read receipts, link tracking, send later, snooze, follow-up reminders, templates and contact and company profiles. Mail syncs directly between your computer and the mail server; a Mailspring account is needed for Pro features and some services. There are no mobile apps, Exchange support goes through IMAP or Office 365 only, and development is mostly the work of a small team, so new features arrive slowly. It is a good free pick for Linux users who want something more modern than Thunderbird.

Best for: Desktop users, especially on Linux, who want a modern free client.

Pros and cons

What works

  • Free and open source on Mac, Windows and Linux
  • Clean interface with themes and keyboard shortcuts
  • Pro adds tracking, templates and send later at a low price

Why people leave

  • No mobile apps
  • Small team, so features arrive slowly
  • Limited native Exchange support

Top Mailspring alternatives

See all 5
  1. 1Thunderbird logo
    Thunderbird

    More mature open-source client with calendars, OpenPGP and an Android app.

    66.5
  2. 2eM Client logo
    eM Client

    A Windows and Mac client with stronger calendar and Exchange support.

    62.6
  3. 3BlueMail logo
    BlueMail

    Free on desktop and mobile, including Linux.

    59.6
  4. 4Mailbird logo
    Mailbird

    A Windows and Mac client with many built-in app integrations.

    57.2
  5. 5Geary logo
    Geary

    A lightweight open-source client for Linux desktops running GNOME.

    55.3

Why people left Mailspring

In reviewers' own words, from reviews of the apps they moved to. These are their opinions, not ours.

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Mailspring: common questions

Is Mailspring free?

Mailspring has a free plan and paid plans.

Is Mailspring open source?

Yes. The source code is on GitHub at Foundry376/Mailspring.

What platforms does Mailspring run on?

Mailspring is available for macOS, Windows and Linux.

What are the best alternatives to Mailspring?

The highest-ranked Mailspring alternatives right now are Thunderbird, eM Client and BlueMail. See the full ranked list for pricing, platforms and verified facts.

See all 5 Mailspring alternatives