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
Campañas, segmentos y analíticas en un solo archivo de composición rápido; las plantillas priorizan la competencia sobre el espectáculo.
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 →
Campañas rápidas más una API transaccional y estados de suscriptor explícitos; el acabado visual es utilitario.
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 →
La respuesta autoalojada y ligera para listas y campañas; la configuración es un archivo compose más una cuenta SMTP.
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 →
Listas, campañas y formularios integrables en un panel rápido; no incluye asistencia guiada.
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
