Janssen Project 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?
FeatureJanssen ProjectZITADEL
CategoryIdentity & SSOIdentity & SSO
LicenseApache-2.0Apache-2.0
LanguageJavaGo
Setup difficultyHardMedium
Min. RAM4,096 MB512 MB
Deploymentkubernetes, helmdocker, kubernetes, binary
GitHub stars★ 646★ 14,671
First released20202020
ReplacesOkta, Auth0Auth0, Okta, Firebase Auth

Why pick each one

Choose Janssen Project if…

  • Standards complete
  • Built for scale
Janssen Project details

Choose ZITADEL if…

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

Frequently asked questions

Is Janssen Project or ZITADEL better?

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

Are Janssen Project and ZITADEL free and open-source?

Yes. Janssen Project is licensed under Apache-2.0 and ZITADEL under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Janssen Project and ZITADEL with Docker?

Janssen Project: check the project docs for container support. ZITADEL: yes.

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