osTicket vs Zammad
A side-by-side comparison of osTicket and Zammad — stars, license, self-host difficulty, deploy options, and what each replaces.
| Tagline | Widely-deployed open-source support ticketing system | Web-based open-source helpdesk and customer support ticketing system |
| Category | Helpdesk & Support | Helpdesk & Support |
| Replaces | Zendesk, Freshdesk | Zendesk, Freshdesk |
| GitHub stars | 3.8k | 5.7k |
| Language | PHP | Ruby |
| License | GPL-2.0 | AGPL-3.0 |
| Self-host difficulty | 4/5 Involved | 4/5 Involved |
| Deploy options | Docker Docker Compose Manual | Docker Compose Kubernetes Manual |
| Managed hosting | ||
| Last updated | 26 days ago | 4 days ago |
| View repo | View repo |