OpenLDAP
The classic open-source Lightweight Directory Access Protocol server
OpenLDAP is a free, open-source implementation of the Lightweight Directory Access Protocol. It is widely used as a directory backend for authentication, address books and centralized user management.
Key features
- Industry-standard LDAP directory
- High performance and scalability
- Replication and clustering support
- Extensible schema system
Pros & cons
Strengths
- Extremely mature and stable
- Universally compatible
Trade-offs
- Notoriously complex configuration
OpenLDAP replaces
Compare OpenLDAP
4 head-to-head comparisons.
Similar identity & sso apps
Keycloak
Identity & SSOOpen-source identity and access management for modern apps
Replaces Okta, Auth0
Casbin
Identity & SSOAuthorization library supporting many access control models
Replaces Auth0 RBAC
Ory Hydra
Identity & SSOCertified OAuth 2.0 and OpenID Connect server
Replaces Okta, Auth0
SuperTokens
Identity & SSOOpen-source user authentication you can self-host
Replaces Auth0, Firebase Auth
ZITADEL
Identity & SSOCloud-native identity infrastructure with multi-tenancy built
Replaces Auth0, Okta
Logto
Identity & SSODeveloper-friendly authentication and authorization platform
Replaces Auth0, Firebase Auth