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Univention Corporate ServerKanidm
Freemium

Available to download; commercial subscriptions and support are sold by Univention.

 Free

Free and open source.

Linux, Self-hosted Linux, Self-hosted, Command line
  • Central identity and access management on your own servers
  • VM images for VMware, VirtualBox, ESX and KVM
  • OAuth2, LDAP and passkeys in a single server
  • Unix integration for Linux logins
  • A full server OS, so it needs a dedicated machine or VM
  • Aimed at organisations rather than home users
  • Smaller ecosystem than long-established directory servers
  • Requires running and securing your own server
Self-hosted, Operating system Self-hosted
Open source Open source
License not stated License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked September 24, 2026

Checked September 23, 2026

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