CRM and sales
Arcton 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★10,305 GitHub starslicence unclearOpen-source marketing automation for email campaigns, lead management, and basic campaign workflows.Open on GitHub ↗eracle/OpenOutreach★2,640 GitHub starslicence unclearAgentic email automation that finds leads and automates outreach with AI-driven sequences.Open on GitHub ↗
What you give up either way
- Senior human operator / managed strategy and copywriting
- Managed deliverability, active domain reputation work and warm-up performed by operators
- Guaranteed throughput and campaign optimisation from experienced outreach team
- Vendor-held GDPR compliance assurances and DPA handling as a seller
- White‑glove list sourcing and human-verified contact research at scale
An open-source project doing the core job proves a replacement is possible. It does not prove it matches Arcton, and it does not prove anyone has run it for a month. How we decide.