keycloakvsZed Attack Proxy (ZAP)
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| keycloak | Zed Attack Proxy (ZAP) | |
|---|---|---|
| Score | 86/100 | 80/100 |
| Rank in category | #1 of 40 in Authentication | #4 of 78 in Security |
| GitHub stars | 37 573 | 16 059 |
| Stars, last 30 days | +606 | +244 |
| Stable releases, 12 months | 14 | 31 |
| Latest release | 26.8.1 · 13 Oct 2026 | w2026-10-23 · 23 Oct 2026 |
| Setup | Moderate | Easy |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | Apache-2.0 |
| Main language | Java | Java |
Which one should you pick?
keycloak scores 86/100 against 80/100 for Zed Attack Proxy (ZAP), so it is the safer default.
Zed Attack Proxy (ZAP) ships more often: 31 stable releases in the past year, against 14 for keycloak.
If you want the quickest setup, Zed Attack Proxy (ZAP) is easier to run; keycloak needs more configuration.
keycloak is growing faster right now (+606 stars in 30 days).
keycloak details →Zed Attack Proxy (ZAP) details →
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