Stalwart Mail ServervsUrlaubsverwaltung
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Stalwart Mail Server | Urlaubsverwaltung | |
|---|---|---|
| Score | 78/100 | 53/100 |
| Rank in category | #2 of 16 in Mail Server | #5 of 9 in Human Resource Management (HRM) |
| GitHub stars | 15 462 | 302 |
| Stars, last 30 days | +678 | — |
| Stable releases, 12 months | 31 | 10 |
| Latest release | v1.0.1 · 28 Oct 2026 | urlaubsverwaltung-6.20.0 · 23 Oct 2026 |
| Setup | Moderate | Advanced |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0-only AND LicenseRef-SEL | Apache-2.0 |
| Main language | Rust | Java |
Which one should you pick?
Stalwart Mail Server scores 78/100 against 53/100 for Urlaubsverwaltung, so it is the safer default.
Stalwart Mail Server ships more often: 31 stable releases in the past year, against 10 for Urlaubsverwaltung.
If you want the quickest setup, Stalwart Mail Server is easier to run; Urlaubsverwaltung needs more configuration.
Stalwart Mail Server is growing faster right now (+678 stars in 30 days).
Stalwart Mail Server details →Urlaubsverwaltung details →
Swap a project
Keep Stalwart Mail Server, compare it with
Keep Urlaubsverwaltung, compare it with