keycloakvsZot Registry
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| keycloak | Zot Registry | |
|---|---|---|
| Score | 86/100 | 64/100 |
| Rank in category | #1 of 40 in Authentication | #3 of 12 in Container Registry |
| GitHub stars | 37 568 | 2 919 |
| Stars, last 30 days | +601 | +120 |
| Stable releases, 12 months | 14 | 12 |
| Latest release | 26.8.1 · 13 Oct 2026 | v2.1.22 · 6 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | Apache-2.0 |
| Main language | Java | Go |
Which one should you pick?
keycloak scores 86/100 against 64/100 for Zot Registry, so it is the safer default.
keycloak ships more often: 14 stable releases in the past year, against 12 for Zot Registry.
keycloak is growing faster right now (+601 stars in 30 days).
keycloak details →Zot Registry details →
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