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389 Directory Server vs LLDAP: catalog facts
389 Directory Server	LLDAP
Free Free and open source.	Free Free and open source.
Linux, Self-hosted	Linux, Self-hosted
Multi-supplier replication for scaling and fail-over Proven in very large deployments	Web interface for managing users and groups Small and simple compared with a full LDAP server
Linux only Requires LDAP knowledge to run well	Focused on user management, not a full-featured LDAP directory Needs a separate identity provider for OAuth2 or SSO flows
Downloadable app, Self-hosted	Self-hosted
Open source	Open source
License not stated	License not stated
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 September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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