ZITADEL
Identity infrastructure with SSO, passkeys, multi-tenancy and audit trails, built in Go.
- Identity & SSO
- Go
- AGPL-3.0
- Docker
- Actively maintained
GitHub stats
- GitHub stars
- 15,213
- Forks
- 1,349
- Open issues
- 985
- Commits, last 12 months
- 656
- Last commit
- Oct 5, 2026
- Latest release
- v4.19.4Oct 1, 2026
- Created
- Mar 16, 2020
Data from the GitHub API, refreshed daily.
About ZITADEL
Identity infrastructure with SSO, passkeys, multi-tenancy and audit trails, built in Go. ZITADEL is open source under the AGPL-3.0 license and written mainly in Go, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 15,213 stars and 1,349 forks on GitHub, with 656 commits over the last year. It ships a Docker image, which makes it a good fit for a small VPS or a home server running Docker Compose.
Topics
- saml
- authentication
- authorization
- login
- oidc
- sso
- 2fa
- fido2
- mfa
- oauth2
Open-source alternative to
ZITADEL can replace these commercial products. Compare every option on each page.
Repository preview
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What is ZITADEL?
ZITADEL is a free, open-source app you can host on your own server, listed in our Identity & SSO category. Identity infrastructure with SSO, passkeys, multi-tenancy and audit trails, built in Go. The source code lives at github.com/zitadel/zitadel, where it has 15,213 stars.
Is ZITADEL free and open source?
Yes. ZITADEL is open-source software released under the AGPL-3.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run ZITADEL with Docker?
Yes. ZITADEL provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.
What are the best alternatives to ZITADEL?
Popular open-source alternatives to ZITADEL include Keycloak, Authelia and authentik. ZITADEL itself is a self-hosted alternative to Auth0 and Okta.
Is ZITADEL actively maintained?
The most recent commit to ZITADEL was on Oct 5, 2026 with 656 commits in the past twelve months. The latest release is v4.19.4, published Oct 1, 2026. Check the open issues on GitHub to gauge how quickly maintainers respond.