Keycloak vs Logto
A side-by-side comparison of two self-hosted identity & sso options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Keycloak
Open-source identity and access management for modern apps
VS
Logto
Developer-friendly authentication and authorization platform
| Feature | Keycloak | Logto |
|---|---|---|
| Category | Identity & SSO | Identity & SSO |
| License | Apache-2.0 | MPL-2.0 |
| Language | Java | TypeScript |
| Setup difficulty | Hard | Medium |
| Min. RAM | 1,024 MB | 512 MB |
| Deployment | docker, kubernetes, bare-metal | docker, kubernetes, binary |
| GitHub stars | ★ 36,058 | ★ 14,305 |
| First released | 2014 | 2022 |
| Replaces | Okta, Auth0, Microsoft Entra ID | Auth0, Firebase Auth, Clerk |
Why pick each one
Frequently asked questions
Is Keycloak or Logto better?
Neither is universally better. Keycloak has the larger community, while Logto is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Keycloak and Logto free and open-source?
Yes. Keycloak is licensed under Apache-2.0 and Logto under MPL-2.0. Both can be self-hosted at no software cost.
Can I run Keycloak and Logto with Docker?
Keycloak: yes. Logto: yes.