keycloakvsZammad
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| keycloak | Zammad | |
|---|---|---|
| Score | 86/100 | 70/100 |
| Rank in category | #1 of 40 in Authentication | #1 of 9 in Helpdesk |
| GitHub stars | 37 583 | 6 050 |
| Stars, last 30 days | +616 | +103 |
| Stable releases, 12 months | 14 | 0 |
| Latest release | 26.8.1 · 13 Oct 2026 | — |
| Setup | Moderate | Advanced |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | AGPL-3.0 |
| Main language | Java | Ruby |
Which one should you pick?
keycloak scores 86/100 against 70/100 for Zammad, so it is the safer default.
keycloak ships more often: 14 stable releases in the past year, against 0 for Zammad.
If you want the quickest setup, keycloak is easier to run; Zammad needs more configuration.
keycloak is growing faster right now (+616 stars in 30 days).
keycloak details →Zammad details →
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