Email and newsletters
Omnisend alternatives
2 open-source projects that already do this job. Free to use - not free to run, which is what the numbers on the right are for.
The projects
knadh/listmonk★22,655 GitHub starsAGPL-3.0 licenceHigh-performance, self-hosted newsletter and mailing list manager with subscriber management and sending engine.Open on GitHub ↗mautic/mautic★10,301 GitHub starslicence unclearOpen-source marketing automation platform for multi-channel campaigns, workflows, and contact management.Open on GitHub ↗
What you give up either way
- 250+ pre-built integrations and app marketplace
- Free 5-day migration service and assisted data migration
- 24/7 support and account experts for paid tiers
- Deliverability tuning and established sending reputation
- Built-in AI product recommendations and Omnisend MCP integrations
An open-source project doing the core job proves a replacement is possible. It does not prove it matches Omnisend, and it does not prove anyone has run it for a month. How we decide.