SHSelfHostIndex

LemonLDAP::NG 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?
LE LemonLDAP::NG Web single sign-on and access management system VS ZI ZITADEL Cloud-native identity infrastructure with multi-tenancy built in
FeatureLemonLDAP::NGZITADEL
CategoryIdentity & SSOIdentity & SSO
LicenseGPL-2.0Apache-2.0
LanguagePerlGo
Setup difficultyHardMedium
Min. RAM1,024 MB512 MB
Deploymentdocker, bare-metaldocker, kubernetes, binary
GitHub stars★ 84★ 14,671
First released20052020
ReplacesOkta, PingFederateAuth0, Okta, Firebase Auth

Why pick each one

Choose LemonLDAP::NG if…

  • Mature and full-featured
  • Many protocol options
LemonLDAP::NG details

Choose ZITADEL if…

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

Frequently asked questions

Is LemonLDAP::NG or ZITADEL better?

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

Are LemonLDAP::NG and ZITADEL free and open-source?

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

Can I run LemonLDAP::NG and ZITADEL with Docker?

LemonLDAP::NG: yes. ZITADEL: yes.

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