compare
Janssen vs Keycloak
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Janssen | Keycloak |
|---|---|---|
| Language | Java | Java |
| Licence | Apache-2.0 | Apache-2.0 |
| Stars | 651 | 37k |
| Latest | v2.4.0 | 26.8.0 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 38 days between releases | about 14 days between releases |
| Active contributors | 20 commit authors on the default branch in the last 90 days | 97+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Okta. Alternatives to Okta →
PartialJanssenOpenID Connect, OAuth and SAML server with scriptable authentication flows, operated on Kubernetes or a VM.
Full replacementKeycloakSSO over OpenID Connect and SAML, user federation with LDAP and Active Directory, and MFA.
Janssen
Janssen
unsigned The latest release, v2.4.0, carries no signature GitHub could verify.
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Keycloak
unsigned The latest release, 26.8.0, carries no signature GitHub could verify.
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