Can I open-source Constant Contact?

YES · mature open-source replacement
price $8.4/moyou'd save $100.80/yrcategory 📮 newslettersreplaced by 0 people

Yes. Ghost (49k stars), listmonk (23k stars), Keila (2k stars) are mature open-source replacements for Constant Contact — self-host with docker and stop paying $8.4/mo.

why people still pay

People still pay for Constant Contact because newsletter operators pay for inbox placement, growth mechanics, and operational confidence on publication day. The recurring cost buys DNS authentication, reputation, bounces, complaints, unsubscribe compliance, templates, queues, analytics, backups, and support, not just the visible interface.

what you lose

xdeliverability, templates, event and social tools, integrations, and support

xinbox-placement expertise

xadvanced automations

xcommerce integrations

xrecommendation and ad networks

the open-source alternatives

These projects already replace it, free.

LlistmonkLists, campaigns and embeddable forms in a fast admin; hand-holding is not bundled.23kjul 2026open source↗KKeilaSelf-hosted newsletters and signup forms with a real visual editor; SMTP setup replaces onboarding calls.2.2kaug 2026open source↗GGhostPublishing platform with memberships and paid newsletters built in. The self-hosted answer to Substack taking 10% of your revenue.49kaug 2026open source↗

What each one is, in full: listmonk · Keila · Ghost

all 3 open-source alternatives to Constant Contact →· no votes, no pay-to-list · just what's real

share on X ↗"I just replaced Constant Contact ($8.4/mo) with open source"
the numbers

Constant Contact pricing

planmonthlyannual (per mo)what you get
lite$8.40/workspace—1 user, 10x contact sends/month, 1 automation template, 1 segment.
standard$24.50/workspace—3 users, 12x contact sends/month, 3 automation templates, 10 segments.
premium$56/workspace—Unlimited users, 24x contact sends/month, unlimited segmentation.

free tierno free tier; trial/start flow only, no ongoing free caps verified.

billingmonthly pricing shown; annual discount not verified on crawled official page

hidden costsPlan cost scales with contact count and email-send multiples; SMS add-on starts at $10/mo with first 500 messages/month; Inbox Preview add-on $10/mo.

verified 2026-08-10 · source ↗

questions
Can I open-source Constant Contact?

Yes. listmonk replaces Constant Contact 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 Constant Contact cost?

Constant Contact costs about $8.4/month (Lite, checked 2026-08-10), which is $100.8 per year. That's what you save by replacing it with open source.

What do I lose by replacing Constant Contact?

Honestly: deliverability, templates, event and social tools, integrations, and support; inbox-placement expertise; advanced automations; commerce integrations; recommendation and ad networks. If any of those are load-bearing for you, keep paying.

Is there an open-source alternative to Constant Contact?

Yes: listmonk (Lists, campaigns and embeddable forms in a fast admin; hand-holding is not bundled.) Keila (Self-hosted newsletters and signup forms with a real visual editor; SMTP setup replaces onboarding calls.) Ghost (Publishing platform with memberships and paid newsletters built in. The self-hosted answer to Substack taking 10% of your revenue.) All 3 curated open-source alternatives are at caniopensourceit.online/constant-contact/alternatives.