Can I open-source Lemlist?
YES · mature open-source replacementYes. Twenty (35k stars), Mautic (10k stars), EspoCRM (2k stars) are mature open-source replacements for Lemlist — self-host with docker and stop paying $69/mo.
People still pay for Lemlist because the durable value is accurate contact data and deliverability infrastructure; a sequence editor alone is not the product. The recurring cost buys consent records, suppression lists, DNS, bounces, reputation, abuse complaints, provider limits, and changing email rules, not just the visible interface.
xdeliverability tooling, warm-up network, personalization, data, and multichannel workflow
xproprietary contact database
xinbox warm-up network
xdeliverability reputation
xlarge-scale enrichment and compliance tooling
These projects already replace it, free.
MMauticA campaign engine with reply, bounce and unsubscribe handling; personalized images and outreach theatre are gone.open source↗TTwentyA modern, Notion-flavored CRM built in the open as the community answer to Salesforce.open source↗EEspoCRMFull-featured CRM: leads, opportunities, email integration, workflows — light enough for a $5 VPS.open source↗What each one is, in full: Mautic · Twenty · EspoCRM
all 3 open-source alternatives to Lemlist →· no votes, no pay-to-list · just what's real
Lemlist pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| $69/workspace | $55/workspace | Unlimited users and email senders, 50,000 emails/month, Email & Phone Number Finder, 650M+ lead DB, unlimited contacts, warm-up/deliverability. | |
| multichannel | $109/user | $87/user | Unlimited emails and messages/month, 5 senders/user, LinkedIn/SMS, WhatsApp add-on, dialer/VoIP, tasks. |
| enterprise | custom | — | Teams of 5+ users, custom users, unlimited email and messages, at least 5 senders/user, SSO/SAML, 1:1 onboarding. |
free tierno free tier; 14-day free trial.
billingmonthly + annual (-20%)
hidden costsCredits cost $10 per 1,000; verified emails cost 5 credits/email, phone numbers 20 credits/number, intent signals from 20 to 400+ credits.
verified 2026-08-10 · source ↗
Can I open-source Lemlist?
Yes. Mautic replaces Lemlist today — self-host it on your own server or machine with no subscription. The full list of open-source alternatives is on this page.
How much does Lemlist cost?
Lemlist costs about $69/month (Email Pro, checked 2026-07-31), which is $828 per year. That's what you save by replacing it with open source.
What do I lose by replacing Lemlist?
Honestly: deliverability tooling, warm-up network, personalization, data, and multichannel workflow; proprietary contact database; inbox warm-up network; deliverability reputation; large-scale enrichment and compliance tooling. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Lemlist?
Yes: Mautic (A campaign engine with reply, bounce and unsubscribe handling; personalized images and outreach theatre are gone.) Twenty (A modern, Notion-flavored CRM built in the open as the community answer to Salesforce.) EspoCRM (Full-featured CRM: leads, opportunities, email integration, workflows — light enough for a $5 VPS.) All 3 curated open-source alternatives are at caniopensourceit.online/lemlist/alternatives.