listmonk replaces 4 paid apps
One open-source tool, 4 subscriptions it can stand in for. Each pairing below is curated and verified by hand, with the honest catch spelled out. No votes, no pay-to-list.
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.
setupYou still need a PostgreSQL database and a trustworthy SMTP/API sender with authenticated DNS.
facts verified 2026-08-10
Campaigns, segments and analytics in one fast compose file; templates favor competence over theatre.
the catchlistmonk is fast and capable, but its utilitarian editor and template workflow are less polished for design-heavy branded campaigns than Campaign Monitor.
the verdict →all Campaign Monitor alternatives →
Fast campaigns plus a transactional API and explicit subscriber states; the visual polish is utilitarian.
the catchlistmonk is fast and explicit about subscriber states, but it lacks Brevo's managed deliverability, broad automation suite, CRM-style contact tools, and polished visual workflow builder.
the verdict →all Brevo alternatives →
The lean self-hosted answer for lists and campaigns; setup is one compose file plus an SMTP account.
the catchlistmonk is lean and uncapped by contacts, but it replaces EmailOctopus' managed deliverability and support with your own server, PostgreSQL, and sender.
the verdict →all EmailOctopus alternatives →
Lists, campaigns and embeddable forms in a fast admin; hand-holding is not bundled.
the catchlistmonk handles lists, campaigns, and embeddable forms, but it offers much less onboarding, design assistance, and small-business hand-holding than Constant Contact.
the verdict →all Constant Contact alternatives →last updated 2026-08-10 · up to $456/yr replaced · no votes, no pay-to-list
