OTOBO vs Znuny
A side-by-side comparison of two self-hosted helpdesk & ticketing options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | OTOBO | Znuny |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Health score | 72 · Good | 75 · Good |
| Category | Helpdesk & Ticketing | Helpdesk & Ticketing |
| License | GPL-3.0 | GPL-3.0 |
| Language | Perl | Perl |
| Setup difficulty | Hard | Hard |
| Min. RAM | 2,048 MB | 2,048 MB |
| Deployment | docker, bare-metal, source | bare-metal, source |
| GitHub stars | ★ 337 | ★ 596 |
| First released | 2019 | 2021 |
| Replaces | ServiceNow, Zendesk | ServiceNow, Zendesk |
What are OTOBO and Znuny?
OTOBO
OTOBO is an open-source ticket system and service management tool, a successor to OTRS Community Edition. It supports ITSM processes, automation, and detailed reporting.
- ITIL service management
- Process automation engine
- Customizable ticket workflows
- Detailed dashboards
Znuny
Znuny is an open-source ticketing system and service desk maintained as a free fork of OTRS Community Edition. It supports helpdesk and ITSM workflows.
- Maintained OTRS fork
- Helpdesk and ITSM
- Customizable workflows
- Active community support
OTOBO vs Znuny: key differences
Both projects are written in Perl. OTOBO is the more established project (first released 2019), while Znuny arrived in 2021. OTOBO lists first-class Docker deployment; Znuny does not.
Why pick each one
Choose OTOBO if…
- Released under the GPL-3.0 license
- First-class Docker support for quick deployment
- Written in Perl
Frequently asked questions
Is OTOBO or Znuny better?
Neither is universally better. Znuny has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.
Are OTOBO and Znuny free and open-source?
Yes. OTOBO is licensed under GPL-3.0 and Znuny under GPL-3.0. Both can be self-hosted at no software cost.
Can I run OTOBO and Znuny with Docker?
OTOBO: yes. Znuny: check the project docs for container support.