CRM and sales
Lemlist 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
mautic/mautic★10,301 GitHub starslicence unclearFull-featured open-source marketing automation platform with contacts, campaigns, email sending, and sequencing.Open on GitHub ↗eracle/OpenOutreach★2,628 GitHub starslicence unclearEmail automation tool focused on automated outreach, sequencing, and lead workflow automation.Open on GitHub ↗
What you give up either way
- 650M+ proprietary lead database and native contact enrichment
- Built-in deliverability infrastructure (lemwarm, rotating IPs, deliverability hub)
- Multichannel features: LinkedIn automation, in-app calling, WhatsApp, SMS, built VoIP integrations
- AI agent features (lemAgent, intent-signal agents, enrichment agents)
- Enterprise compliance & SOC 2 attestation and SSO/SAML/advanced account management
An open-source project doing the core job proves a replacement is possible. It does not prove it matches Lemlist, and it does not prove anyone has run it for a month. How we decide.