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the catalog · 🔐 Security

ZITADEL

★ 10k

Cloud-native IAM in Go with multi-tenancy, audit trail, and every SSO acronym your enterprise customers will ask for.

ZITADEL does the job of Auth0 and Okta, self-hosted. It is Apache-2.0-licensed, so you can do essentially what you like with it, and setting it up is an afternoon, not a weekend. Auth0 bills $100/mo for it. 10k stars on GitHub.

Open-source replacement for Auth0, Okta.

Licence
Apache-2.0
Self-hosting
Medium
The paid one costs
$100/mo
GitHub stars
10k
view the code →official site →

Is it actually a replacement?

We have written a verdict on what it replaces — what you lose, and why people still pay:

How ZITADEL runs

Where it runs

ZITADEL runs on your server.

What setup takes

not verified by us yet — check the repo README.

ZITADEL questions

Is ZITADEL open source?

Yes — it is released under Apache-2.0.

Can ZITADEL replace Auth0?

Our verdict on Auth0 is YES. Keycloak (28k stars), Better Auth (20k stars), Authentik (17k stars) are mature open-source replacements for Auth0 — self-host with real ops work and stop paying $70/mo.

Can I self-host ZITADEL?

Yes — we rate it medium to self-host, and it runs on your server.

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