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LemonLDAP::NG vs Rauthy: catalog facts
LemonLDAP::NG	Rauthy
Free Free software with no licence cost.	Free Free and open source.
Self-hosted	Web, Self-hosted
Supports CAS, SAML and OpenID Connect Can bridge between different SSO protocols	OIDC and OAuth 2 single sign-on PAM support for Linux logins
Self-hosted server that needs administration Setup involves several components	Smaller community than established IAM servers Requires running and maintaining your own server
Self-hosted	Self-hosted
Open source	Open source
License: GPL-2.0	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.