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Unroll.Me alternatives · Email

Open-source alternatives to Unroll.Me

Unroll.Me is not described as open source on its own site. 39 of the 125 other email apps in this directory are open source, according to their own sites.

Unroll.Me is free to use. 33 of them are free or have a free plan.

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

The 12 closest to Unroll.Me

  1. Inbox Zero

    Open source AI email assistant for Gmail and Outlook

    • Inbox Zero starts at $18 per user / month, billed annually ($20 billed monthly). Unroll.Me is free.
    • Unroll.Me has a free plan. Inbox Zero does not, though it has a free trial.
    • Only Inbox Zero lists macOS and Windows apps.
    • Only Inbox Zero lists a browser extension.
    Inbox Zero 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). Unroll.Me is free.
    • Only Unroll.Me lists iOS and Android apps.
    • Zero Mail is open source and self-hostable, according to its own site.
    • Zero Mail also covers email client.
    Zero Mail pricing and details

  3. Claws Mail

    Lightweight GTK email and news client, free under the GPL

    • Claws Mail is free. Unroll.Me is free.
    • Only Claws Mail lists Linux and Windows apps.
    • Only Unroll.Me lists a web app.
    • Only Unroll.Me lists iOS and Android apps.
    Claws Mail pricing and details

  4. Sylpheed

    Lightweight desktop email client built on GTK+

    • Sylpheed is free. Unroll.Me is free.
    • Only Sylpheed lists Windows, macOS and Linux apps.
    • Only Unroll.Me lists a web app.
    • Only Unroll.Me lists iOS and Android apps.
    Sylpheed pricing and details

  5. Cypht

    Open-source webmail that combines many accounts in one inbox

    • Cypht is free. Unroll.Me is free.
    • Only Unroll.Me lists iOS and Android apps.
    • Cypht is open source and self-hostable, according to its own site.
    • Cypht also covers email client.
    Cypht pricing and details

  6. hMailServer

    Free open-source mail server that runs on Windows

    • hMailServer is free. Unroll.Me is free.
    • Only hMailServer lists a Windows app.
    • Only Unroll.Me lists a web app.
    • Only Unroll.Me lists iOS and Android apps.
    hMailServer pricing and details

  7. 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. Unroll.Me is free.
    • Only Proton Mail lists macOS, Windows and Linux apps.
    • Proton Mail is open source and end-to-end encrypted, according to its own site.
    • Proton Mail also covers calendar and email client.
    Proton Mail pricing and details

  8. Thunderbird

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

    • Thunderbird is free. Unroll.Me is free.
    • Only Thunderbird lists Windows, macOS and Linux apps.
    • Only Unroll.Me lists a web app.
    • Only Unroll.Me lists an iOS app.
    Thunderbird pricing and details

  9. Tuta Mail

    End-to-end encrypted email and calendar from Germany

    • Tuta Mail starts at €3 per month, paid yearly (lowest paid personal plan). Unroll.Me is free.
    • Only Tuta Mail lists Windows, macOS and Linux apps.
    • Tuta Mail is open source and end-to-end encrypted, according to its own site.
    • Tuta Mail also covers calendar and email client.
    Tuta Mail pricing and details

  10. Mailspring

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

    • Mailspring starts at $8 per month, or $85 per year (Mailspring Pro). Unroll.Me is free.
    • Only Mailspring lists macOS, Windows and Linux apps.
    • Only Unroll.Me lists a web app.
    • Only Unroll.Me lists iOS and Android apps.
    Mailspring pricing and details

  11. Posteo

    Ad-free, green-powered email from Berlin for €1 a month

    • Posteo starts at €1 per month, prepaid (minimum top-up €12). Unroll.Me is free.
    • Unroll.Me has a free plan. Posteo does not.
    • Only Unroll.Me lists iOS and Android apps.
    • Posteo is open source and end-to-end encrypted, according to its own site.
    Posteo pricing and details

  12. FairEmail

    Open source, privacy-oriented email client for Android

    • FairEmail starts at $7.49 one-time (pro features, US Google Play in-app purchase). Unroll.Me is free.
    • Only Unroll.Me lists a web app.
    • Only Unroll.Me lists an iOS app.
    • FairEmail is open source and end-to-end encrypted, according to its own site.
    FairEmail pricing and details

27 more that are open source

All 39 in one table

Common questions

Is there an open-source alternative to Unroll.Me?

Yes. Inbox Zero, Zero Mail, Claws Mail, Sylpheed, Cypht, hMailServer, Proton Mail, Thunderbird and 31 more are open source, according to their own sites.

Is Unroll.Me open source?

Unroll.Me is not described as open source on its own site. The listing was checked on Oct 5, 2026 against the pages it cites.

Which of these email apps are free?

Zero Mail, Claws Mail, Sylpheed, Cypht, hMailServer, Proton Mail, Thunderbird, Tuta Mail and 25 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 Unroll.Me: the alternatives its listing names first, then the tools that share the most features with it.