Compare software

Zentyal vs Univention Corporate Server: catalog facts
Zentyal	Univention Corporate Server
Paid Yearly or lifetime licences covering unlimited users, with a free 15-day trial.	Freemium Available to download; commercial subscriptions and support are sold by Univention.
Linux, Self-hosted	Linux, Self-hosted
Active Directory compatible domain controller for Windows clients Mail, groupware and network services in one interface	Central identity and access management on your own servers VM images for VMware, VirtualBox, ESX and KVM
Paid licence after the trial Aimed at small and mid-sized office servers rather than home use	A full server OS, so it needs a dedicated machine or VM Aimed at organisations rather than home users
Self-hosted, Operating system	Self-hosted, Operating system
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.