Keila vs Listmonk
Keila and Listmonk are both email marketing software. Keila is open source under AGPL-3.0, with 2.3k GitHub stars. Listmonk is open source under AGPL-3.0, with 24k GitHub stars.
Which to pick
- Pick Keila when
- You want a simple self-hosted or EU-hosted alternative to Mailchimp for newsletters.
- Pick Listmonk when
- You send newsletters to large lists and want to pay only for SMTP or SES instead of per-subscriber pricing.
Side by side
A newsletter tool for managing contacts, signup forms and campaigns, sending through SMTP, SES, Sendgrid or Mailgun.
A self-hosted newsletter and mailing list manager in a single Go binary with PostgreSQL, handling lists, campaigns, templates, analytics and transactional mail.
Pre-1.0, with a small team and fewer automation features than commercial tools.
You handle deliverability, bounces and sending reputation yourself; the newest line is in beta.
Usable
Production-ready
Self-hosted server and cloud service
Self-hosted server
Elixir, Phoenix and PostgreSQL
Go, Vue and PostgreSQL
Open source, AGPL-3.0 (network copyleft) (both)
Use inside your business is unrestricted. If you change it and let customers use it over the internet, you must publish your changes. (both)
2.3k GitHub stars
24k GitHub stars
Established: started 5 years ago, latest release 0.40.1.
Established: started 7 years ago, latest release v7.0.0-beta.1.
Other comparisons
More email marketing and newsletter software
Both sides were judged on 2026-11-03 from each project's README and GitHub data. License, age and popularity lines are worked out directly.