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Dex vs Keycloak: catalog facts
Dex	Keycloak
Free Free and open source.	Free Free and open source under the Apache 2.0 licence.
Linux, Self-hosted	Self-hosted
Connectors for LDAP, SAML, GitHub, Google, GitLab and Microsoft Single lightweight binary	Single sign-on and single sign-out across applications Supports OpenID Connect and SAML 2.0 identity brokering
A federation layer, not a full user directory Configuration aimed at platform engineers	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 not stated	License: Apache-2.0
Not stated if an account is 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.