Constant Contact costs $8.40/mo.
These cost $0.
6 free alternatives to Constant Contact, checked for license, recent activity and real adoption. Each one tells you the catch, so you can switch with your eyes open.
Constant Contact vs Free Alternatives Matrix
Quick side-by-side comparison ยท $0/mo vs $8.40/mo
| Alternative | Type | License | Where It Runs | Stars | Head-to-Head |
|---|---|---|---|---|---|
| listmonk | open source | AGPL-3.0 | Self-host | โ 23k | Constant Contact vs listmonk โ |
| Keila | open source | AGPL-3.0+ | Local or hosted | โ 2.2k | Constant Contact vs Keila โ |
| Brevo Free | free | proprietary, free | Hosted | โ $0 forever | Constant Contact vs Brevo Free โ |
| EmailOctopus Free | free | proprietary, free | Hosted | โ $0 forever | Constant Contact vs EmailOctopus Free โ |
| Kit Free | free | proprietary, free | Hosted | โ $0 forever | Constant Contact vs Kit Free โ |
| Sender Free | free | proprietary, free | Hosted | โ $0 forever | Constant Contact vs Sender Free โ |
The picks
2 open source ยท 4 free to use ยท ranked by fit
- 01
listmonk
open sourceAGPL-3.0Self-host23kjul 2026Lists, campaigns and embeddable forms in a fast admin; hand-holding is not bundled.
The catch vs Constant Contactlistmonk handles lists, campaigns, and embeddable forms, but it offers much less onboarding, design assistance, and small-business hand-holding than Constant Contact.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Docker Compose or a single release binary plus PostgreSQL
- setup
- You still need a PostgreSQL database and a trustworthy SMTP/API sender with authenticated DNS.
- your data
- Subscribers, campaigns, templates, and analytics live in a PostgreSQL database on your server.
- checked
- 2026-08-10
- 02
Keila
open sourceAGPL-3.0+Local or hosted2.2kaug 2026Self-hosted newsletters and signup forms with a real visual editor; SMTP setup replaces onboarding calls.
The catch vs Constant ContactKeila replaces newsletters and signup forms, but SMTP authentication, deliverability, server maintenance, backups, and upgrades replace Constant Contact's guided hosted setup.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Keila Cloud signup or Docker image plus PostgreSQL
- setup
- Self-hosting requires Docker, PostgreSQL, a public HTTPS domain, and credentials for SMTP, SES, SendGrid, Mailgun, or Postmark.
- your data
- Self-hosted subscribers, campaigns, and job state live in PostgreSQL; uploaded campaign assets live on persistent server storage.
- checked
- 2026-08-10
- 03
Brevo Free
freeproprietary, freeHostedSimple campaigns, contacts and forms with a 300-email daily ceiling.
The catch vs Constant ContactBrevo Free covers campaigns, contacts, and forms, but its 300-message daily ceiling and lighter beginner hand-holding make it less forgiving than Constant Contact.
Install, platforms & data +
- platforms
- webthey host it
- install
- Hosted signup
- setup
- Authenticating a custom sending domain requires adding DNS records.
- your data
- Contacts, campaigns, consent records, and message events live in Brevo's cloud; contacts can be exported as CSV.
- checked
- 2026-08-10
- 04
EmailOctopus Free
freeproprietary, freeHostedA small list, campaigns and one form without a bill; automation and reporting limits are clearly visible.
The catch vs Constant ContactEmailOctopus 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.
Install, platforms & data +
- platforms
- webthey host it
- install
- Hosted signup
- setup
- You must verify a sender address or domain; DNS authentication is the first technical step.
- your data
- Lists, campaigns, automations, and reporting data live in EmailOctopus' cloud; contacts and reports can be exported as CSV.
- checked
- 2026-08-10
- 05
Kit Free
freeproprietary, freeHostedForms, landing pages and unlimited sends for creators; the editor is less event-flyer, more newsletter.
The catch vs Constant ContactKit 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.
Install, platforms & data +
- platforms
- webthey host it
- install
- Hosted signup
- setup
- There is no software install, but custom-domain sending requires DNS authentication and the free plan keeps one Kit-managed recommendation slot.
- your data
- Subscribers, tags, forms, broadcasts, sequences, purchases, and analytics live in Kit's cloud; subscriber and chart data export as CSV.
- checked
- 2026-08-10
- 06
Sender Free
freeproprietary, freeHostedNewsletters, contact management and signup forms for 2,500 subscribers; branding is the free-tier watermark.
The catch vs Constant ContactSender Free covers newsletters, contacts, and forms, but vendor branding and free-plan account limits are the price of replacing Constant Contact.
Install, platforms & data +
- platforms
- webthey host it
- install
- Hosted signup
- setup
- A custom sending domain must be verified with DNS records for reliable delivery.
- your data
- Subscribers, campaigns, automations, and engagement events live in Sender's cloud; subscriber data can be exported.
- checked
- 2026-08-10
Frequently Asked Questions
Direct answers ยท Constant Contact open-source replacements
What is the best free alternative to Constant Contact?+
The top free alternative to Constant Contact is listmonk (open source, AGPL-3.0). Lists, campaigns and embeddable forms in a fast admin; hand-holding is not bundled. Other popular Constant Contact replacements include Keila, Brevo Free, EmailOctopus Free.
Can I self-host a free replacement for Constant Contact?+
Yes. Of the 6 free alternatives to Constant Contact, 2 can be self-hosted on your own server or local machine: listmonk (AGPL-3.0), Keila (AGPL-3.0+).
How much does switching from Constant Contact to a free alternative save?+
Constant Contact starts at $8.40/month per seat ($101/year). Switching a 5-person team to a free alternative like listmonk saves $504 per year in software subscription fees.
Should I vibe-code or build my own Constant Contact clone from scratch?+
Our build verdict for Constant Contact is KINDA (the core, yes. the polish, no). 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.
What is the catch when switching from Constant Contact to listmonk?+
listmonk handles lists, campaigns, and embeddable forms, but it offers much less onboarding, design assistance, and small-business hand-holding than Constant Contact.