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LemonLDAP::NG vs Dex: catalog facts
LemonLDAP::NG	Dex
Free Free software with no licence cost.	Free Free and open source.
Self-hosted	Linux, Self-hosted
Supports CAS, SAML and OpenID Connect Can bridge between different SSO protocols	Connectors for LDAP, SAML, GitHub, Google, GitLab and Microsoft Single lightweight binary
Self-hosted server that needs administration Setup involves several components	A federation layer, not a full user directory Configuration aimed at platform engineers
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.