EmailOctopus alternatives: 6 free & open-source picks
Compare recorded free and open-source options, their capabilities and operating requirements. Source dates are shown below; licenses, hosted limits and project activity can change.
The lean self-hosted answer for lists and campaigns; setup is one compose file plus an SMTP account.
licenseAGPL-3.0
runsyour server
installDocker Compose or a single release binary plus PostgreSQL
dataSubscribers, campaigns, templates, and analytics live in a PostgreSQL database on your server.
the catch vs EmailOctopuslistmonk is lean and uncapped by contacts, but it replaces EmailOctopus' managed deliverability and support with your own server, PostgreSQL, and sender.
setupYou still need a PostgreSQL database and a trustworthy SMTP/API sender with authenticated DNS.
facts verified 2026-08-10
A self-hosted list, forms and campaigns without contact caps; you supply deliverability.
licenseAGPL-3.0+
runsyour machine or their cloud
installKeila Cloud signup or Docker image plus PostgreSQL
dataSelf-hosted subscribers, campaigns, and job state live in PostgreSQL; uploaded campaign assets live on persistent server storage.
the catch vs EmailOctopusKeila removes contact pricing, but you must supply the server, SMTP provider, deliverability monitoring, backups, and updates that EmailOctopus manages.
setupSelf-hosting requires Docker, PostgreSQL, a public HTTPS domain, and credentials for SMTP, SES, SendGrid, Mailgun, or Postmark.
facts verified 2026-08-10
A huge contact allowance with a tiny daily send pipe; suitable when low volume is literal.
licenseproprietary, free
runstheir cloud
installHosted signup
dataContacts, campaigns, consent records, and message events live in Brevo's cloud; contacts can be exported as CSV.
the catch vs EmailOctopusBrevo Free stores many contacts and supports campaigns, but a 300-message daily pipe is less flexible than EmailOctopus for sending a modest list in one batch.
setupAuthenticating a custom sending domain requires adding DNS records.
facts verified 2026-08-10
The vendor's own free plan covers 2,500 contacts and 10,000 monthly emails; branding and automation limits remain.
licenseproprietary, free
runstheir cloud
installHosted signup
dataLists, campaigns, automations, and reporting data live in EmailOctopus' cloud; contacts and reports can be exported as CSV.
the catch vs EmailOctopusEmailOctopus Free is the same hosted product, but its 2,500-contact, 10,000-email, three-automation, branding, and 30-day-reporting limits remain.
setupYou must verify a sender address or domain; DNS authentication is the first technical step.
facts verified 2026-08-10
Unlimited sends and forms for up to 10,000 subscribers; one built-in recommendation slot belongs to Kit.
licenseproprietary, free
runstheir cloud
installHosted signup
dataSubscribers, tags, forms, broadcasts, sequences, purchases, and analytics live in Kit's cloud; subscriber and chart data export as CSV.
the catch vs EmailOctopusKit Free permits more subscribers and unlimited sends, but its single sequence/automation and Kit-controlled recommendation slot make it less neutral and flexible.
setupThere is no software install, but custom-domain sending requires DNS authentication and the free plan keeps one Kit-managed recommendation slot.
facts verified 2026-08-10
A larger useful free allowance with campaigns, forms and automations; one user only.
licenseproprietary, free
runstheir cloud
installHosted signup
dataSubscribers, campaigns, automations, and engagement events live in Sender's cloud; subscriber data can be exported.
the catch vs EmailOctopusSender Free has a useful allowance and more automation, but its one-user free account and vendor branding are worse for collaboration and presentation.
setupA custom sending domain must be verified with DNS records for reliable delivery.
facts verified 2026-08-10
latest recorded source check 2026-08-10 · check current terms at the source
| tool | license | running it | platforms | stars | active |
|---|---|---|---|---|---|
| listmonk | AGPL-3.0 | docker to self-host | web, self-hosted | 22,600 | 2026-07 |
| Keila | AGPL-3.0+ | docker to self-host | web, self-hosted | 2,179 | 2026-08 |
| Brevo Free | proprietary, free | they host it | web | — | — |
| EmailOctopus Free | proprietary, free | they host it | web | — | — |
| Kit Free | proprietary, free | they host it | web | — | — |
| Sender Free | proprietary, free | they host it | web | — | — |
People still pay for EmailOctopus 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. The recorded subscription totals $108 a year before any costs of an alternative.
Questions about these alternatives
Is there a free alternative to EmailOctopus?
Yes: listmonk, Keila, Brevo Free and 3 more. These are recorded free or open-source options. Compare their feature limits, licenses, hosting costs and current availability before choosing.
Should I just build my own EmailOctopus?
Our verdict is KINDA. The core loop is buildable, but a dependable replacement becomes a real weekend or multi-day project. For EmailOctopus, manage a small subscriber list and send compliant campaigns through a hosted provider. The hard boundary is deliverability, templates, automations, landing pages, and customer support, plus deliverability, growth network, and integrations. Review the scope, implementation prompt and trade-offs in the EmailOctopus build guide.
