53
Zammad
A helpdesk with tickets, chat, and a knowledge base.
Zammad scores 53 on the signals we measured. osTicket scores 35. Prefer Zammad if you are following the score, then read the licence notes before you migrate.
A helpdesk with tickets, chat, and a knowledge base.
A veteran open-source ticket system.
| Zammad | osTicket | |
|---|---|---|
| Measured score | 53 | 35 |
| Licence | AGPL-3.0 | GPL-2.0 |
| Stack | Ruby | PHP |
| Docker | Compose or Dockerfile found | Not at usual paths |
| Hosted option | Vendor cloud listed | No vendor cloud listed |
| Last push | 2026-10-14 | 2026-06-17 |
| Stars | 6,011 | 3,986 |