Janssen Project vs OpenUnison

A side-by-side comparison of two self-hosted identity & sso options — licensing, setup difficulty, resource needs, and what each one replaces.

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FeatureJanssen ProjectOpenUnison
CategoryIdentity & SSOIdentity & SSO
LicenseApache-2.0Apache-2.0
LanguageJavaLess
Setup difficultyHardHard
Min. RAM4,096 MB1,024 MB
Deploymentkubernetes, helmkubernetes, helm
GitHub stars★ 646★ 136
First released20202018
ReplacesOkta, Auth0Okta

Why pick each one

Choose Janssen Project if…

  • Standards complete
  • Built for scale
Janssen Project details

Choose OpenUnison if…

  • Released under the Apache-2.0 license
  • Kubernetes-ready with Helm charts available
  • Written in Less
OpenUnison details

Frequently asked questions

Is Janssen Project or OpenUnison better?

Neither is universally better. Janssen Project has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.

Are Janssen Project and OpenUnison free and open-source?

Yes. Janssen Project is licensed under Apache-2.0 and OpenUnison under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Janssen Project and OpenUnison with Docker?

Janssen Project: check the project docs for container support. OpenUnison: check the project docs for container support.

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