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

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