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Rauthy vs SSSD: catalog facts
Rauthy	SSSD
Free Free and open source.	Free Free and open source.
Web, Self-hosted	Linux
OIDC and OAuth 2 single sign-on PAM support for Linux logins	Joins Linux machines to Active Directory, FreeIPA or LDAP Uses remote identities and domain policies for login
Smaller community than established IAM servers Requires running and maintaining your own server	Linux only Requires an existing directory or identity domain to connect to
Self-hosted	Downloadable app
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.