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LemonLDAP::NGCasdoor
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
  • Supports OAuth, OIDC, SAML, CAS, LDAP and SCIM
  • Several MFA options including WebAuthn and TOTP
  • Self-hosted server that needs administration
  • Setup involves several components
  • Needs to be hosted and secured by you
  • Wide feature scope, including AI agent features, adds complexity
Self-hosted Self-hosted
Open source Open source
License: GPL-2.0 License: Apache-2.0
No account needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked September 23, 2026

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