listmonk vs Schleuder
A side-by-side comparison of two self-hosted mail servers options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
listmonk
Self-hosted newsletter and mailing list manager
VS
Schleuder
Encrypting mailing list manager with OpenPGP
| Feature | listmonk | Schleuder |
|---|---|---|
| Category | Mail Servers | Mail Servers |
| License | AGPL-3.0 | GPL-3.0 |
| Language | Go | Ruby |
| Setup difficulty | Easy | Hard |
| Min. RAM | 512 MB | 256 MB |
| Deployment | docker, binary, source | bare-metal, source |
| GitHub stars | ★ 22,670 | ★ 100 |
| First released | 2020 | 2009 |
| Replaces | Mailchimp, Sendinblue | Google Groups |
Why pick each one
Choose Schleuder if…
- Released under the GPL-3.0 license
- Written in Ruby
- Tiny footprint — runs in 256 MB RAM
Frequently asked questions
Is listmonk or Schleuder better?
listmonk is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Schleuder if its specific feature set fits your needs better.
Are listmonk and Schleuder free and open-source?
Yes. listmonk is licensed under AGPL-3.0 and Schleuder under GPL-3.0. Both can be self-hosted at no software cost.
Can I run listmonk and Schleuder with Docker?
listmonk: yes. Schleuder: check the project docs for container support.