Free and Open Source

List of the best free and open source email marketing platfroms NGOs and SME operating at low budget. All the platforms are selfhosted which means you have to download the email marketing script, install in your server, and configure all email delivery features.
Last Updated: April 10th, 2026

  1. 1. Mautic

    Mautic is one of the most powerful open-source email marketing tools built using PHP. You need to download the script, set it up yourself, and connect to an SMTP provider like Amazon SES, SendGrid, etc for email delivery.

  2. 2. Listmonk

    Listmonk is built with Go and Vue and requires a Postgres database to run. Just like Mautic, you need to connet to an SMTP provider to deliver emails.

  3. 3. phpList

    phpList is an open source email marketing platform. Compared to Mautic, it is lightweight, which means it can run on a shared hosting server without any problems.

  4. 4. Plunk

    Plunk has an open source and subscription version. The open source version is built in Typescript and you can downloaded from GitHub and installed in your server.