Zammad
🇩🇪 Germany, Berlin · Founded 2016
The only truly open-source helpdesk that rivals Zendesk feature-for-feature — self-host with zero license fees, unlimited agents, and full-text search powered by Elasticsearch
Key Features
- Omnichannel ticketing across email, chat, phone (CTI/Placetel), Twitter, Telegram, WhatsApp Business, Facebook, and SMS — all conversations unified in a single timeline per customer
- Completely free self-hosted deployment with no agent limits or ticket caps; installable via native packages (Debian, Ubuntu, CentOS), Docker, or Kubernetes; managed hosting available from €199.90/month for enterprises
- Elasticsearch-powered full-text search across all tickets, articles, and attachments; features like autosave, ticket templates, canned responses, time tracking, SLA management, and multi-language knowledge base
- Enterprise-grade security with free SSO (SAML, OAuth), LDAP integration for user/rights management, two-factor authentication, and granular role-based permissions; GDPR-compliant with data stored where you choose
Replaces
ZendeskFreshdeskJira Service Management
At a Glance
Headquarters🇩🇪 Berlin, Germany
Founded2016
Open SourceYes
Free TierYes
GDPR CompliantYes
CategoryCustomer Support
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