Email and newsletters
Smartlead 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 licenceSelf-hosted, high-performance newsletter and mailing list manager with templates, sending and tracking.Open on GitHub ↗mautic/mautic★10,301 GitHub starslicence unclearOpen-source marketing automation platform for contact management, campaigns, templated emails, and analytics.Open on GitHub ↗
What you give up either way
- Dedicated‑tenant SmartServers, IP management and enterprise deliverability automation
- Warm‑up pool that simulates opens/replies to build reputation
- SmartProspect verified lead supply and real‑time intent signals
- AI agent orchestration (SmartAgents) for full-cycle automation
- Built-in multichannel dialer / call infrastructure and credits-based voice plans
An open-source project doing the core job proves a replacement is possible. It does not prove it matches Smartlead, and it does not prove anyone has run it for a month. How we decide.