FusionAuth vs Janssen Project
A side-by-side comparison of two self-hosted identity & sso options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
FusionAuth
Complete authentication and authorization platform
VS
Janssen Project
Cloud-native identity and access management platform
| Feature | FusionAuth | Janssen Project |
|---|---|---|
| Category | Identity & SSO | Identity & SSO |
| License | Apache-2.0 | Apache-2.0 |
| Language | Dockerfile | Java |
| Setup difficulty | Medium | Hard |
| Min. RAM | 1,024 MB | 4,096 MB |
| Deployment | docker, kubernetes, bare-metal | kubernetes, helm |
| GitHub stars | ★ 241 | ★ 646 |
| First released | 2018 | 2020 |
| Replaces | Auth0, Okta | Okta, Auth0 |
Why pick each one
Choose FusionAuth if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
- Written in Dockerfile
Frequently asked questions
Is FusionAuth or Janssen Project better?
Neither is universally better. Janssen Project has the larger community, while FusionAuth is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are FusionAuth and Janssen Project free and open-source?
Yes. FusionAuth is licensed under Apache-2.0 and Janssen Project under Apache-2.0. Both can be self-hosted at no software cost.
Can I run FusionAuth and Janssen Project with Docker?
FusionAuth: yes. Janssen Project: check the project docs for container support.