Free, open-source alternatives to Mailchimp

Newsletters and email marketing. 5 apps you can run yourself instead of Mailchimp, sorted by how well they replace it. Each one is open source, so your data stays with you.

  1. ListmonkBest match

    High performance, self-hosted newsletter and mailing list manager with a modern dashboard.

    23.8k starsAGPL-3.0Updated 11 October 2026
  2. Mautic

    Marketing automation software (email, social and more).

    10.8k starsGPL-3.0Updated 12 October 2026
  3. Keila

    Reliable and easy-to-use newsletter tool (alternative to Mailchimp and Sendinblue).

    2.2k starsAGPL-3.0Updated 2 October 2026
  4. phpList

    Newsletter and email marketing with advanced management of subscribers, bounces, and plugins.

    877 starsAGPL-3.0Updated 18 September 2026
  5. Dittofeed

    Omni-channel customer engagement and messaging automation platform (alternative to Braze, Customer.io, Iterable).

    3k starsMITUpdated 12 October 2026

Side by side

AppStarsLicenseActivityRuns on
Listmonk23,768AGPL-3.0Go, Docker
Mautic10,752GPL-3.0PHP
Keila2,233AGPL-3.0Docker
phpList877AGPL-3.0PHP
Dittofeed3,002MITDocker

Why replace Mailchimp?

Mailchimp works, but your data lives in someone else's account, the price can change at any time, and features can disappear. An open-source app you run yourself is yours: you choose where it runs, who can see the data, and when to update.

Questions

What is the best free alternative to Mailchimp?

Listmonk is the closest open-source replacement for Mailchimp in our list. Mautic and Keila are worth a look too, depending on what you need.

Can I self-host an alternative to Mailchimp?

Yes. All 5 apps on this page are open source and can run on your own server, usually with Docker, or on a managed host that installs them for you.