Zammad vs Znuny
A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Zammad
Web-based helpdesk and customer support system
VS
Znuny
Community-maintained OTRS fork for service desks
| Feature | Zammad | Znuny |
|---|---|---|
| Category | Chat & Communication | Helpdesk & Ticketing |
| License | AGPL-3.0 | GPL-3.0 |
| Language | Ruby | Perl |
| Setup difficulty | Medium | Hard |
| Min. RAM | 4,096 MB | 2,048 MB |
| Deployment | docker, bare-metal, source | bare-metal, source |
| GitHub stars | ★ 5,834 | ★ 588 |
| First released | 2016 | 2021 |
| Replaces | Zendesk, Freshdesk | ServiceNow, Zendesk |
Why pick each one
Frequently asked questions
Is Zammad or Znuny better?
Zammad is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Znuny if its specific feature set fits your needs better.
Are Zammad and Znuny free and open-source?
Yes. Zammad is licensed under AGPL-3.0 and Znuny under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Zammad and Znuny with Docker?
Zammad: yes. Znuny: check the project docs for container support.