ejabberd vs Mjolnir
A side-by-side comparison of two self-hosted matrix & xmpp options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
| Feature | ejabberd | Mjolnir |
|---|---|---|
| Category | Matrix & XMPP | Matrix & XMPP |
| License | GPL-2.0 | Apache-2.0 |
| Language | Erlang | TypeScript |
| Setup difficulty | Hard | Medium |
| Min. RAM | 512 MB | 256 MB |
| Deployment | docker, bare-metal | docker, source |
| GitHub stars | ★ 6,711 | ★ 442 |
| First released | 2002 | 2020 |
| Replaces | Slack, WhatsApp | Discord moderation bots |
Why pick each one
Choose Mjolnir if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Written in TypeScript
- Tiny footprint — runs in 256 MB RAM
Frequently asked questions
Is ejabberd or Mjolnir better?
Neither is universally better. ejabberd has the larger community, while Mjolnir is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are ejabberd and Mjolnir free and open-source?
Yes. ejabberd is licensed under GPL-2.0 and Mjolnir under Apache-2.0. Both can be self-hosted at no software cost.
Can I run ejabberd and Mjolnir with Docker?
ejabberd: yes. Mjolnir: yes.