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Apereo CAS vs LemonLDAP::NG: catalog facts
Apereo CAS	LemonLDAP::NG
Free Free and open source.	Free Free software with no licence cost.
Self-hosted	Self-hosted
Supports CAS, SAML, OAuth and OpenID Connect Many deployment options including Docker and Kubernetes	Supports CAS, SAML and OpenID Connect Can bridge between different SSO protocols
Complex to deploy and configure for small setups Requires Java servlet and build tooling knowledge	Self-hosted server that needs administration Setup involves several components
Self-hosted	Self-hosted
Open source	Open source
License not stated	License: GPL-2.0
No account needed	No account 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.