{"data":{"slug":"listmonk","name":"Listmonk","tagline":"AGPL-3.0 self-hosted newsletters and transactional mail","category":"notifications","categoryName":"Notifications","url":"https://listmonk.app","github":"https://github.com/knadh/listmonk","pricing":"open-source","hook":"Listmonk is Mailchimp if Mailchimp were a single binary and a Postgres database.","whatsGood":"AGPL-3.0. Campaigns, lists, templates, and transactional API. You run it; there is no vendor meter. Fast Go binary, first-party docs, no seat tax.","theCatch":"AGPL-3.0 is copyleft — network use means you share modifications. You operate Postgres, SMTP, and bounces. There is no official hosted Listmonk Cloud.","verdict":"The self-host newsletter stack. AGPL, fully free, you run the mail.","addedAt":"2026-09-03","featured":false,"domain":"Comms","subSpecialty":"Notifications","capabilities":["email","newsletters"],"surfaces":["Self-host"],"ecosystem":["Go"],"licenseModel":"AGPL","githubStars":23233},"related":[{"slug":"ntfy","name":"ntfy","tagline":"HTTP pub-sub notifications you can curl from cron"},{"slug":"novu","name":"Novu","tagline":"MIT notification workflows with a real 0 USD Cloud"},{"slug":"apprise","name":"Apprise","tagline":"BSD-2-Clause CLI that talks to a hundred notifiers"},{"slug":"gotify","name":"Gotify","tagline":"MIT self-host push server; Android-first, no ntfy.sh twin"},{"slug":"edgepush","name":"Edgepush","tagline":"AGPL server + MIT SDK: BYO APNs/FCM on Cloudflare Workers"}],"links":{"self":"/api/gems/listmonk","html":"/gems/listmonk","markdown":"/gems/listmonk.md","category":"/api/gems?category=notifications","categoryPage":"/stacks/notifications"}}