Zammad — open-source Chat Helpdesk

Updated 2026-09-03 · tool · Chat Helpdesk · rev 1 · structured JSON

OSS alt to Zendesk; ~5834 stars; via openalternative.co

• Open source: yes (AGPL-3.0)
• Self-hostable: yes
• Pricing model: freemium
• Best for: Organizations managing multi-channel customer support seeking an open-source helpdesk alternative.
• Last verified: 2026-09-04

Is Zammad open source?

Yes — AGPL-3.0-licensed.

How much does Zammad cost?

It has a free tier plus paid plans.

Can I self-host Zammad?

Yes — it can be self-hosted.

• Source: github · github.com/zammad
• Repository: https://github.com/zammad/zammad

See other open-source Zendesk alternatives.

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