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Rauthy vs Dex: catalog facts
Rauthy	Dex
Free Free and open source.	Free Free and open source.
Web, Self-hosted	Linux, Self-hosted
OIDC and OAuth 2 single sign-on PAM support for Linux logins	Connectors for LDAP, SAML, GitHub, Google, GitLab and Microsoft Single lightweight binary
Smaller community than established IAM servers Requires running and maintaining your own server	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
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 October 1, 2026

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