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Shibboleth Identity Provider vs Keycloak: catalog facts
Shibboleth Identity Provider	Keycloak
Free Free open-source software, with paid consortium membership for technical support.	Free Free and open source under the Apache 2.0 licence.
Self-hosted	Self-hosted
Long-established SAML identity provider Widely adopted in research and education federations	Single sign-on and single sign-out across applications Supports OpenID Connect and SAML 2.0 identity brokering
Direct developer support requires consortium membership Focused on SAML-based federation	Setting it up and securing it takes real administrative effort More than most single-user homelabs need
Self-hosted	Self-hosted
Open source	Open source
License: Apache-2.0	License: Apache-2.0
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.