Janssen Project vs Supabase Auth
A side-by-side comparison of two self-hosted identity & sso options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Janssen Project | Supabase Auth |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 80 · Excellent | 87 · Excellent |
| Category | Identity & SSO | Identity & SSO |
| License | Apache-2.0 | MIT |
| Language | Java | Go |
| Setup difficulty | Hard | Medium |
| Min. RAM | 4,096 MB | 128 MB |
| Deployment | kubernetes, helm | docker, binary |
| GitHub stars | ★ 649 | ★ 2,569 |
| First released | 2020 | 2017 |
| Replaces | Okta, Auth0 | Auth0 |
What are Janssen Project and Supabase Auth?
Janssen Project
The Janssen Project is a Linux Foundation effort delivering a scalable, cloud-native identity and access management platform. It implements OpenID Connect, OAuth 2.0, and FIDO standards for authentication and authorization.
- OpenID Connect provider
- OAuth 2.0 server
- FIDO2 and passkeys
- Cloud-native deployment
Supabase Auth
GoTrue is a lightweight JSON Web Token based authentication API for managing users and sessions, originally from Netlify and extended by Supabase. It is self-hosted as a small Go service.
- JWT-based auth API
- Email and OAuth login
- Lightweight Go service
- Self-hostable
Janssen Project vs Supabase Auth: key differences
Janssen Project is written in Java, while Supabase Auth is built with Go. Licensing differs — Apache-2.0 for Janssen Project versus MIT for Supabase Auth. Supabase Auth is the lighter option, starting around 128 MB of RAM against 4,096 MB for Janssen Project. Supabase Auth is the more established project (first released 2017), while Janssen Project arrived in 2020. Supabase Auth has the considerably larger community, at 2,569 GitHub stars versus 649. Supabase Auth lists first-class Docker deployment; Janssen Project does not.
Why pick each one
Choose Janssen Project if…
- Standards complete
- Built for scale
Watch out for
- Complex to operate
- Heavy resource needs
Choose Supabase Auth if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Active community (2.6k GitHub stars)
- Written in Go
Frequently asked questions
Is Janssen Project or Supabase Auth better?
Supabase Auth is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Janssen Project if its specific feature set fits your needs better.
Are Janssen Project and Supabase Auth free and open-source?
Yes. Janssen Project is licensed under Apache-2.0 and Supabase Auth under MIT. Both can be self-hosted at no software cost.
Can I run Janssen Project and Supabase Auth with Docker?
Janssen Project: check the project docs for container support. Supabase Auth: yes.
Which is lighter on resources, Janssen Project or Supabase Auth?
Supabase Auth has the smaller minimum footprint at 128 MB of RAM, compared to about 4,096 MB for Janssen Project. Real-world usage depends on library size, user count, and enabled features.