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LemonLDAP::NG

Web single sign-on and access management system

Identity & SSO ★ 84 stars Hard setup GPL-2.0

LemonLDAP::NG is an open-source Web SSO, access management, and identity federation product. It supports SAML, OpenID Connect, and CAS, and protects web applications behind a configurable portal.

Official siteSource code

Key features

  • Web SSO portal
  • SAML and OIDC support
  • CAS protocol
  • Fine-grained access rules

Pros & cons

Strengths

  • Mature and full-featured
  • Many protocol options

Trade-offs

  • Complex configuration
  • Perl stack is uncommon

Is LemonLDAP::NG secure?

OSV.dev has no published security advisories for LemonLDAP::NG's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

LemonLDAP::NG replaces

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