Keycloak vs LLDAP
Single sign-on and user federation for applications. A lightweight LDAP server for authentication, with a web UI for users and groups. Compare the capabilities you need, then check hosting, licensing and maintenance. This pair is shown for browsing but is not indexed (not among the leading projects of a shared category).
| Attribute | Keycloak | LLDAP |
|---|---|---|
| Purpose | Single sign-on and user federation for applications. | A lightweight LDAP server for authentication, with a web UI for users and groups. |
| Documented capabilities | Single sign-on, OIDC and SAML, User federation | Simplified LDAP server for authentication, Web UI for users and groups, Works with Keycloak, Authelia, Nextcloud, and more |
| Best-fit workflow | Platform teams putting one login in front of several applications. | Home labs and small teams that need one user directory for self-hosted apps. |
| Check before choosing | Keycloak is an identity system, not a drop-in widget. Plan themes, realms, and upgrades. | LLDAP uses a simplified, opinionated LDAP schema. Check the compatible and incompatible services lists for your apps. |
| Deployment options | Docker, Kubernetes | Docker, Podman, Kubernetes |
| GitHub stars | 37,379 | 6,574 |
| License | Apache-2.0 | GPL-3.0 |
| Self-hosted | Yes | Yes |
| Docker noted | Yes | Yes |
| Cloud / hosted | Not recorded | Not recorded |
| Primary language | Java | Rust |
| Last commit | 2026-10-16 | 2026-09-26 |
| Difficulty | Advanced | Easy |
| Content source | Editorial catalog entry | Editorial catalog entry |
| Metadata checked | 2026-10-16 | Check the current repository |
| Forks | 9.1k | 365 |
| Star growth | +301 (2026-10-01 to 2026-10-16) | Not recorded |
| Alternative to | Auth0, Okta | Not recorded |
This comparison uses recorded capabilities, not hands-on performance tests. A capability missing from one record does not mean that product lacks it. Confirm edition, version and current pricing in the official documentation.
When to consider Keycloak
Platform teams putting one login in front of several applications.
Keycloak is an identity system, not a drop-in widget. Plan themes, realms, and upgrades.
Keycloak documentation and sourceWhen to consider LLDAP
Home labs and small teams that need one user directory for self-hosted apps.
LLDAP uses a simplified, opinionated LDAP schema. Check the compatible and incompatible services lists for your apps.
LLDAP documentation and sourceKeycloak vs LLDAP questions
- What is Keycloak?
- Single sign-on and user federation for applications.
- What is LLDAP?
- A lightweight LDAP server for authentication, with a web UI for users and groups.
- Can you self-host Keycloak and LLDAP?
- Both can be self-hosted.
- What licenses do Keycloak and LLDAP use?
- Keycloak uses the Apache-2.0 license. LLDAP uses the GPL-3.0 license.
- Which has more GitHub stars, Keycloak or LLDAP?
- Keycloak has 37k stars and LLDAP has 6.6k. Stars show attention; check recent commits and releases for maintenance.
- What languages are Keycloak and LLDAP written in?
- Keycloak is mainly written in Java. LLDAP is mainly written in Rust.