# FusionAuth vs keycloak

> Two self-hosted [Authentication projects](https://selfhost.directory/authentication), compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | FusionAuth | keycloak |
|---|---|---|
| Score | 49/100 | 86/100 ✓ |
| Rank in category | #23 of 40 in Authentication | #1 of 40 in Authentication |
| GitHub stars | 240 | 37 582 ✓ |
| Stars, last 30 days | — | +615 |
| Stable releases, 12 months | 0 | 14 ✓ |
| Latest release | — | 26.8.1 · 13 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | Proprietary | Apache-2.0 |
| Main language | Dockerfile | Java |

## Which one should you pick?

keycloak scores 86/100 against 49/100 for FusionAuth, so it is the safer default.

keycloak ships more often: 14 stable releases in the past year, against 0 for FusionAuth.

keycloak is growing faster right now (+615 stars in 30 days).

## Details

- [FusionAuth](https://selfhost.directory/project/fusionauth-containers) (markdown: https://selfhost.directory/project/fusionauth-containers.md)
- [keycloak](https://selfhost.directory/project/keycloak) (markdown: https://selfhost.directory/project/keycloak.md)

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Source: https://selfhost.directory/compare/fusionauth-containers-vs-keycloak