
Zammad
Open-source help desk and ticketing system you can host yourself or buy hosted.
Our verdict
What it does well
- AGPL-3.0 software that is free to download and run on your own servers
- Hosted plans start at €7 per agent per month, with a 30-day trial
- Documents a REST API covering what the interface can do
Where it falls short
- Self-hosting means you handle updates, backups and availability
- Starter v2 is limited to 5 agents and email, web form and SMS channels
- Hosted AI features cost an extra €0.03 per AI call

Zammad describes itself as a web-based, open-source user support and ticketing solution. The GitHub README says it brings email, chat, telephone and social media communication into one place.
The software is licensed under AGPL-3.0 and can be downloaded and installed from source, on CentOS, Debian, Ubuntu or Docker; no packages are offered for macOS or Windows. Zammad GmbH sells hosted plans per agent per month, excl. VAT: Starter v2 €7, Professional v2 €16, Plus v2 €25 (the monthly figures shown are €9, €18 and €27). Trials run 30 days.
Self-hosted customers can also buy support packages billed annually: Business €2,999, Enterprise €5,999 and Corporation €9,999, which differ in support hours, response times and service requests.
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Last updated 16 October 2026. Facts checked against the official site on 16 October 2026. How we make money
