osTicket vs Zammad

osTicket

7.2 #51 in Help desk software

About osTicket

Zammad

5.4 #36 in IT Knowledge Base Software

About Zammad
osTicketZammad
Free planNoNo
Free trialNoNo
Paid from——
Open sourceNoNo
PlatformsapiWeb, Linux
Free planYesYes
Single sign-on—Yes

Both are listed in Best IT Knowledge Base Software, Best IT Help Desk Software. On Inferse, osTicket scores higher on our published basis.