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Apereo CAS vs Dex: catalog facts
Apereo CAS	Dex
Free Free and open source.	Free Free and open source.
Self-hosted	Linux, Self-hosted
Supports CAS, SAML, OAuth and OpenID Connect Many deployment options including Docker and Kubernetes	Connectors for LDAP, SAML, GitHub, Google, GitLab and Microsoft Single lightweight binary
Complex to deploy and configure for small setups Requires Java servlet and build tooling knowledge	A federation layer, not a full user directory Configuration aimed at platform engineers
Self-hosted	Self-hosted
Open source	Open source
License not stated	License not stated
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 October 1, 2026

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