Best Open-source Email Marketing Platforms tools

BillionMail

Self-hosted email marketing and mail server platform

Dittofeed

Open-source omni-channel customer engagement and messaging automation platform

Mautic

Open source marketing automation software you control completely

OpenEMM

Open-source email marketing automation and campaign management platform

Laudspeaker

Open-source customer engagement and product onboarding automation platform

Postal

Self‑hosted mail server for inbound and outbound email.

SendPortal

Self-hosted email marketing platform with campaign tracking and automation