node-oidc-provider vs ZITADEL
A side-by-side comparison of two self-hosted identity & sso options — licensing, setup difficulty, resource needs, and what each one replaces.
ZITADEL
Cloud-native identity infrastructure with multi-tenancy built
| Feature | node-oidc-provider | ZITADEL |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 88 · Excellent | 95 · Excellent |
| Category | Identity & SSO | Identity & SSO |
| License | MIT | Apache-2.0 |
| Language | JavaScript | Go |
| Setup difficulty | Hard | Medium |
| Min. RAM | 256 MB | 512 MB |
| Deployment | source, docker | docker, kubernetes, binary |
| GitHub stars | ★ 3,816 | ★ 15,083 |
| First released | 2016 | 2020 |
| Replaces | Auth0, Okta | Auth0, Okta, Firebase Auth |
What are node-oidc-provider and ZITADEL?
node-oidc-provider
node-oidc-provider is an open-source, certified OpenID Connect and OAuth 2.0 provider implementation for Node.js. It can be self-hosted to issue tokens and act as an identity provider for applications.
- Certified OIDC provider
- OAuth 2.0 support
- Embeddable in Node apps
- Standards compliant
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
node-oidc-provider vs ZITADEL: key differences
Node-oidc-provider is written in JavaScript, while ZITADEL is built with Go. Licensing differs — MIT for node-oidc-provider versus Apache-2.0 for ZITADEL. Node-oidc-provider is the lighter option, starting around 256 MB of RAM against 512 MB for ZITADEL. Node-oidc-provider is the more established project (first released 2016), while ZITADEL arrived in 2020. ZITADEL has the considerably larger community, at 15,083 GitHub stars versus 3,816.
Why pick each one
Choose node-oidc-provider if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Active community (3.8k GitHub stars)
- Written in JavaScript
Choose ZITADEL if…
- Strong multi-tenant model
- Modern Go codebase
Watch out for
- Smaller community than Keycloak
Frequently asked questions
Is node-oidc-provider or ZITADEL better?
ZITADEL is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider node-oidc-provider if its specific feature set fits your needs better.
Are node-oidc-provider and ZITADEL free and open-source?
Yes. node-oidc-provider is licensed under MIT and ZITADEL under Apache-2.0. Both can be self-hosted at no software cost.
Can I run node-oidc-provider and ZITADEL with Docker?
node-oidc-provider: yes. ZITADEL: yes.
Which is lighter on resources, node-oidc-provider or ZITADEL?
node-oidc-provider has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for ZITADEL. Real-world usage depends on library size, user count, and enabled features.