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Apereo CAS vs Shibboleth Identity Provider: catalog facts
Apereo CAS	Shibboleth Identity Provider
Free Free and open source.	Free Free open-source software, with paid consortium membership for technical support.
Self-hosted	Self-hosted
Supports CAS, SAML, OAuth and OpenID Connect Many deployment options including Docker and Kubernetes	Long-established SAML identity provider Widely adopted in research and education federations
Complex to deploy and configure for small setups Requires Java servlet and build tooling knowledge	Direct developer support requires consortium membership Focused on SAML-based federation
Self-hosted	Self-hosted
Open source	Open source
License not stated	License: Apache-2.0
No account needed	No account 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 October 1, 2026

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