Zammad vs osTicket

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.

Zammad

A helpdesk with tickets, chat, and a knowledge base.

osTicket

A veteran open-source ticket system.

ZammadosTicket
Measured score5335
LicenceAGPL-3.0GPL-2.0
StackRubyPHP
DockerCompose or Dockerfile foundNot at usual paths
Hosted optionVendor cloud listedNo vendor cloud listed
Last push2026-10-142026-06-17
Stars6,0113,986