Vouch Proxy 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?
FeatureVouch ProxyZITADEL
CategoryIdentity & SSOIdentity & SSO
LicenseMITApache-2.0
LanguageGoGo
Setup difficultyMediumMedium
Min. RAM64 MB512 MB
Deploymentdocker, binarydocker, kubernetes, binary
GitHub stars★ 3,278★ 14,671
First released20172020
ReplacesOkta Access GatewayAuth0, Okta, Firebase Auth

Why pick each one

Choose Vouch Proxy if…

  • Easy SSO for any site
  • Tiny footprint
Vouch Proxy details

Choose ZITADEL if…

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

Frequently asked questions

Is Vouch Proxy or ZITADEL better?

Neither is universally better. ZITADEL has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Vouch Proxy and ZITADEL free and open-source?

Yes. Vouch Proxy is licensed under MIT and ZITADEL under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Vouch Proxy and ZITADEL with Docker?

Vouch Proxy: yes. ZITADEL: yes.

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