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Mailspring alternatives · Email

Self-hosted alternatives to Mailspring

The Mailspring listing does not say it can be self-hosted. 6 of the 73 other email apps in this directory can be self-hosted, according to their own sites.

Mailspring has a free plan. Paid plans start at $8 per month, or $85 per year (Mailspring Pro). 4 of them are free or have a free plan.

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

How each one differs from Mailspring

  1. Roundcube

    Free open-source webmail client you host yourself

    • Roundcube is free. Mailspring starts at $8 per month, or $85 per year (Mailspring Pro).
    • Only Roundcube lists a web app.
    • Only Mailspring lists macOS, Windows and Linux apps.
    • Roundcube is self-hostable, according to its own site.
    Roundcube vs MailspringRoundcube pricing and details

  2. Zero Mail

    Open-source AI email client that connects your existing inboxes

    • Zero Mail starts at $20 per month (billing basis not shown). Mailspring starts at $8 per month, or $85 per year (Mailspring Pro).
    • Only Zero Mail lists a web app.
    • Only Mailspring lists macOS, Windows and Linux apps.
    • Zero Mail is self-hostable, according to its own site.
    Zero Mail vs MailspringZero Mail pricing and details

  3. Inbox Zero

    Open source AI email assistant for Gmail and Outlook

    • Inbox Zero starts at $18 per user / month, billed annually ($20 billed monthly). Mailspring starts at $8 per month, or $85 per year (Mailspring Pro).
    • Mailspring has a free plan. Inbox Zero does not, though it has a free trial.
    • Only Inbox Zero lists a web app.
    • Only Inbox Zero lists iOS and Android apps.
    Inbox Zero pricing and details

  4. Zimbra

    Self-hosted email, calendar and file sharing for organizations

    • Mailspring has a free plan. Zimbra does not.
    • Only Zimbra lists a web app.
    • Only Zimbra lists iOS and Android apps.
    • Zimbra is self-hostable, according to its own site.
    Zimbra pricing and details

  5. SimpleLogin

    Open-source email aliases that forward to your own inbox

    • SimpleLogin starts at $36 per year ($4 billed monthly). Mailspring starts at $8 per month, or $85 per year (Mailspring Pro).
    • Only SimpleLogin lists a web app.
    • Only SimpleLogin lists iOS and Android apps.
    • Only SimpleLogin lists a browser extension.
    SimpleLogin pricing and details

  6. addy.io

    Email alias forwarding that hides your real address from sites

    • addy.io starts at $1 per month, billed yearly (Lite). Mailspring starts at $8 per month, or $85 per year (Mailspring Pro).
    • Only addy.io lists a web app.
    • Only addy.io lists iOS and Android apps.
    • Only addy.io lists a browser extension.
    addy.io pricing and details

Common questions

Is there a self-hosted alternative to Mailspring?

Yes. Roundcube, Zero Mail, Inbox Zero, Zimbra, SimpleLogin and addy.io can be self-hosted, according to their own sites.

Can Mailspring be self-hosted?

The Mailspring listing does not say it can be self-hosted. The listing was checked on Oct 5, 2026 against the pages it cites.

Which of these email apps are free?

Roundcube, Zero Mail, SimpleLogin and addy.io are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 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 Mailspring: the alternatives its listing names first, then the tools that share the most features with it.