Best Open Source Email Marketing & Newsletters Tools in 2026

Tools for building, sending, and analyzing email campaigns, newsletters, and automated email sequences.

3 open source email marketing & newsletters tools — ranked by GitHub stars. Browse all

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

Open-source marketing automation platform with email campaigns, lead management, and multi-channel marketing.

Open-source email platform for sending transactional and marketing emails, self-hostable with a clean API.