SHSelfHostIndex

WSO2 Identity Server 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?
WS WSO2 Identity Server Open-source identity and access management server VS ZI ZITADEL Cloud-native identity infrastructure with multi-tenancy built in
FeatureWSO2 Identity ServerZITADEL
CategoryIdentity & SSOIdentity & SSO
LicenseApache-2.0Apache-2.0
LanguageJavaGo
Setup difficultyHardMedium
Min. RAM4,096 MB512 MB
Deploymentdocker, kubernetes, bare-metaldocker, kubernetes, binary
GitHub stars★ 870★ 14,671
First released20072020
ReplacesOkta, ForgeRockAuth0, Okta, Firebase Auth

Why pick each one

Choose WSO2 Identity Server if…

  • Enterprise feature set
  • Strong standards coverage
WSO2 Identity Server details

Choose ZITADEL if…

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

Frequently asked questions

Is WSO2 Identity Server or ZITADEL better?

ZITADEL is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider WSO2 Identity Server if its specific feature set fits your needs better.

Are WSO2 Identity Server and ZITADEL free and open-source?

Yes. WSO2 Identity Server is licensed under Apache-2.0 and ZITADEL under Apache-2.0. Both can be self-hosted at no software cost.

Can I run WSO2 Identity Server and ZITADEL with Docker?

WSO2 Identity Server: yes. ZITADEL: yes.

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