Apereo CAS vs Janssen Server
Apereo CAS
apereo.github.ioJanssen Server
docs.jans.ioSide by side
| Figure | Apereo CAS | Janssen Server |
|---|---|---|
| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| Linux | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 0 |
| Spec score · OAuth Server Software | 8.6 (#6) | 7.5 (#27) |
| Authentication | Authentication sources include LDAP, databases, X.509, SPNEGO, JAAS, JWT, RADIUS, and MongoDB. | Documented out-of-box MFA options include FIDO, passkeys, OATH OTP, and SMS via Twilio or SMPP. |
| Deployment | CAS is a Java web application that requires JDK 25 for building and deployment according to its installation requirements. | The documentation covers Kubernetes, VM cluster, and single VM deployment options. |
| Integrations | CAS has built-in integrations for many SAML2 service providers, with configuration recipes that can automate service registration and attribute-release settings. | The documentation includes an integration guide covering configuration of third party software and SaaS providers. |
| License | The project’s GitHub page describes Apereo CAS as free open-source software licensed under Apache v2. | The Janssen Project repository identifies its software under the Apache-2.0 license. |
| Protocols | It supports CAS, SAML, WS-Federation, OAuth 2.0, OpenID Connect, and REST protocols. | The documentation describes support for OAuth, OpenID Connect, and UMA authorization services. |
| Purpose | CAS is an enterprise multilingual single sign-on solution and identity provider for the web, with authentication and authorization capabilities. | Janssen Server is an authentication and authorization server that exposes identity features through standards based endpoints. |
| Security | The security guide says all communication with the CAS server must use a secure channel such as TLS. | The project describes audit logging, threat detection, brute-force protection, account lockout policies, and security-event monitoring. |
| Support | Community support is voluntary and has no SLAs or guarantees; the project points users to professional support agreements from commercial providers. | The project identifies GitHub Discussions as its main community support channel and also offers a community chat. |
Plans
In their own words
Apereo CAS
Apereo CAS has no write-up on Specifiction yet; its figures are above.
Janssen Server
Janssen Server has no write-up on Specifiction yet; its figures are above.