SHSelfHostIndex

Ipsilon vs ZITADEL

A side-by-side comparison of two self-hosted identity & sso options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
IP Ipsilon Identity provider for federated single sign-on VS ZI ZITADEL Cloud-native identity infrastructure with multi-tenancy built in
FeatureIpsilonZITADEL
CategoryIdentity & SSOIdentity & SSO
LicenseGPL-3.0Apache-2.0
LanguagePythonGo
Setup difficultyHardMedium
Min. RAM512 MB512 MB
Deploymentbare-metal, sourcedocker, kubernetes, binary
GitHub stars★ 80★ 14,671
First released20142020
ReplacesOkta, PingFederateAuth0, Okta, Firebase Auth

Why pick each one

Choose Ipsilon if…

  • Good FreeIPA companion
  • Federation focused
Ipsilon details

Choose ZITADEL if…

  • Strong multi-tenant model
  • Modern Go codebase
ZITADEL details

Frequently asked questions

Is Ipsilon or ZITADEL better?

ZITADEL is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Ipsilon if its specific feature set fits your needs better.

Are Ipsilon and ZITADEL free and open-source?

Yes. Ipsilon is licensed under GPL-3.0 and ZITADEL under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Ipsilon and ZITADEL with Docker?

Ipsilon: check the project docs for container support. ZITADEL: yes.

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