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Mailchimp alternatives · Email Marketing

Open-source alternatives to Mailchimp

Mailchimp is not described as open source on its own site. 4 of the 57 other email marketing and newsletter tools in this directory are open source, according to their own sites.

Mailchimp has a free plan. Paid plans start at $13 per month for up to 500 contacts, billed monthly. 2 of them are free or have a free plan.

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

How each one differs from Mailchimp

  1. Mautic

    Open source marketing automation you can self-host

    • Mautic starts at €247.50 per month, billed annually (€275 billed quarterly). Mailchimp starts at $13 per month for up to 500 contacts, billed monthly.
    • Only Mailchimp lists iOS and Android apps.
    • Mautic is open source and self-hostable, according to its own site.
    • Mailchimp also covers forms and reports.
    Mautic pricing and details

  2. listmonk

    Free self-hosted newsletter and mailing list manager

    • listmonk is free. Mailchimp starts at $13 per month for up to 500 contacts, billed monthly.
    • Only Mailchimp lists iOS and Android apps.
    • listmonk is open source and self-hostable, according to its own site.
    • listmonk also covers transactional email.
    listmonk pricing and details

  3. Groundhogg

    Flat-rate CRM and email marketing plugin for WordPress

    • Groundhogg starts at $20 per month for 1 site, billed annually ($240). Mailchimp starts at $13 per month for up to 500 contacts, billed monthly.
    • Mailchimp has a free plan. Groundhogg does not, though it has a free trial.
    • Only Mailchimp lists iOS and Android apps.
    • Groundhogg is open source and self-hostable, according to its own site.
    Groundhogg pricing and details

  4. Ghost

    Open source publishing with newsletters and paid memberships

    • Ghost starts at $15 per month for up to 1,000 members, billed yearly ($18 billed monthly). Mailchimp starts at $13 per month for up to 500 contacts, billed monthly.
    • Mailchimp has a free plan. Ghost does not, though it has a free trial.
    • Only Mailchimp lists iOS and Android apps.
    • Ghost is open source, according to its own site.
    Ghost pricing and details

Common questions

Is there an open-source alternative to Mailchimp?

Yes. Mautic, listmonk, Groundhogg and Ghost are open source, according to their own sites.

Is Mailchimp open source?

Mailchimp is not described as open source on its own site. The listing was checked on Oct 17, 2026 against the pages it cites.

Which of these email marketing and newsletter tools are free?

Mautic and listmonk are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 17, 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 Mailchimp: the alternatives its listing names first, then the tools that share the most features with it.