SAML Jackson vs ZITADEL
A side-by-side comparison of two self-hosted identity & sso options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | SAML Jackson | ZITADEL |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 80 · Excellent | 95 · Excellent |
| Category | Identity & SSO | Identity & SSO |
| License | Apache-2.0 | Apache-2.0 |
| Language | TypeScript | Go |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 512 MB |
| Deployment | docker | docker, kubernetes, binary |
| GitHub stars | ★ 2,266 | ★ 15,083 |
| First released | 2022 | 2020 |
| Replaces | Auth0, WorkOS | Auth0, Okta, Firebase Auth |
What are SAML Jackson and ZITADEL?
SAML Jackson
BoxyHQ Jackson (SAML Jackson) is a self-hosted service that abstracts SAML and OIDC enterprise single sign-on behind a simple OAuth 2.0 API. It lets apps add enterprise SSO without per-provider code.
- SAML and OIDC abstraction
- OAuth 2.0 API
- Directory sync (SCIM)
- Self-hostable
ZITADEL
ZITADEL is an open-source identity and access management platform built for multi-tenant applications. It offers OpenID Connect, OAuth2, SAML, passwordless login and a powerful management API.
- Multi-tenancy as a first-class concept
- Passwordless and FIDO2 authentication
- Event-sourced audit trail
- Comprehensive gRPC and REST APIs
SAML Jackson vs ZITADEL: key differences
SAML Jackson is written in TypeScript, while ZITADEL is built with Go. ZITADEL is the more established project (first released 2020), while SAML Jackson arrived in 2022. ZITADEL has the considerably larger community, at 15,083 GitHub stars versus 2,266.
Why pick each one
Choose SAML Jackson if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Active community (2.3k GitHub stars)
- Written in TypeScript
Choose ZITADEL if…
- Strong multi-tenant model
- Modern Go codebase
Watch out for
- Smaller community than Keycloak
Frequently asked questions
Is SAML Jackson 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 SAML Jackson and ZITADEL free and open-source?
Yes. SAML Jackson is licensed under Apache-2.0 and ZITADEL under Apache-2.0. Both can be self-hosted at no software cost.
Can I run SAML Jackson and ZITADEL with Docker?
SAML Jackson: yes. ZITADEL: yes.