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Free alternatives to Constant Contact

Constant Contact costs $8.40/mo on the Lite plan, or $100.80 a year. Here are 6 free and open-source options, what each one does, and what you give up compared with paying.

Prices checked Aug 10, 2026Can AI replace it? Half-bot

01At a glance

AlternativeTypeWhere it runsWorks on
Brevo FreeFreeHosted for youWeb
EmailOctopus FreeFreeHosted for youWeb
KeilaOpen sourceHosted or self-hostedWeb, Your server
Kit FreeFreeHosted for youWeb
listmonkOpen sourceYou host itWeb, Your server
Sender FreeFreeHosted for youWeb

02Each alternative, in detail

Brevo FreeFree

Simple campaigns, contacts and forms with a 300-email daily ceiling.

Versus paying: Brevo Free covers campaigns, contacts, and forms, but its 300-message daily ceiling and lighter beginner hand-holding make it less forgiving than Constant Contact.

Setup: Hosted signup

Watch for: Authenticating a custom sending domain requires adding DNS records.

brevo.com →
EmailOctopus FreeFree

A small list, campaigns and one form without a bill; automation and reporting limits are clearly visible.

Versus paying: EmailOctopus Free is clean for a small list, but its limited forms, automation count, and short reporting window trail Constant Contact's broader small-business toolkit.

Setup: Hosted signup

Watch for: You must verify a sender address or domain; DNS authentication is the first technical step.

emailoctopus.com →
KeilaOpen source

Self-hosted newsletters and signup forms with a real visual editor; SMTP setup replaces onboarding calls.

Versus paying: Keila replaces newsletters and signup forms, but SMTP authentication, deliverability, server maintenance, backups, and upgrades replace Constant Contact's guided hosted setup.

Setup: Keila Cloud signup or Docker image plus PostgreSQL

Watch for: Self-hosting requires Docker, PostgreSQL, a public HTTPS domain, and credentials for SMTP, SES, SendGrid, Mailgun, or Postmark.

2,179 GitHub stars (checked Aug 6, 2026)

keila.io →
Kit FreeFree

Forms, landing pages and unlimited sends for creators; the editor is less event-flyer, more newsletter.

Versus paying: Kit Free offers excellent forms and newsletters for creators, but its creator-first editor and workflows are less suited to event promotions and general small-business campaigns than Constant Contact.

Setup: Hosted signup

Watch for: There is no software install, but custom-domain sending requires DNS authentication and the free plan keeps one Kit-managed recommendation slot.

kit.com →
listmonkOpen source

Lists, campaigns and embeddable forms in a fast admin; hand-holding is not bundled.

Versus paying: listmonk handles lists, campaigns, and embeddable forms, but it offers much less onboarding, design assistance, and small-business hand-holding than Constant Contact.

Setup: Docker Compose or a single release binary plus PostgreSQL

Watch for: You still need a PostgreSQL database and a trustworthy SMTP/API sender with authenticated DNS.

22,600 GitHub stars (checked Aug 6, 2026)

listmonk.app →
Sender FreeFree

Newsletters, contact management and signup forms for 2,500 subscribers; branding is the free-tier watermark.

Versus paying: Sender Free covers newsletters, contacts, and forms, but vendor branding and free-plan account limits are the price of replacing Constant Contact.

Setup: Hosted signup

Watch for: A custom sending domain must be verified with DNS records for reliable delivery.

sender.net →

03What you give up by leaving Constant Contact

  • deliverability, templates, event and social tools, integrations, and support
  • inbox-placement expertise
  • advanced automations
  • commerce integrations
  • recommendation and ad networks

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.

04Questions

Is there a free alternative to Constant Contact?

Yes. This page compares 6: Brevo Free, EmailOctopus Free, Keila, Kit Free, listmonk and Sender Free. 2 of them are open source, so you can run them yourself.

How much does Constant Contact cost?

$8.40/mo on the Lite plan (monthly), which is $100.80 a year. Prices checked Aug 10, 2026.

What do you give up with a free alternative to Constant Contact?

Most often: deliverability, templates, event and social tools, integrations, and support, inbox-placement expertise, advanced automations and commerce integrations. Each alternative on this page lists its own gap under “Versus paying.”

Can AI build me my own version of Constant Contact?

Half-bot. The core loop is buildable, but a dependable replacement becomes a real weekend or multi-day project. For Constant Contact, send simple newsletters, manage contacts, and publish signup forms. The hard boundary is deliverability, templates, event and social tools, integrations, and support, plus deliverability, growth network, and integrations.

Prices change; confirm on the vendor's site before you decide.