# Calibre Web vs Urlaubsverwaltung

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | Calibre Web | Urlaubsverwaltung |
|---|---|---|
| Score | 78/100 ✓ | 53/100 |
| Rank in category | #1 of 7 in E-book Management | #5 of 9 in Human Resource Management (HRM) |
| GitHub stars | 18 486 ✓ | 302 |
| Stars, last 30 days | +255 | — |
| Stable releases, 12 months | 2 | 10 ✓ |
| Latest release | 0.6.27 · 8 Aug 2026 | urlaubsverwaltung-6.20.0 · 23 Oct 2026 ✓ |
| Setup | Easy ✓ | Advanced |
| Official Docker image | No | Yes ✓ |
| License | GPL-3.0 | Apache-2.0 |
| Main language | Fluent | Java |

## Which one should you pick?

Calibre Web scores 78/100 against 53/100 for Urlaubsverwaltung, so it is the safer default.

Urlaubsverwaltung ships more often: 10 stable releases in the past year, against 2 for Calibre Web.

If you want the quickest setup, Calibre Web is easier to run; Urlaubsverwaltung needs more configuration.

Calibre Web is growing faster right now (+255 stars in 30 days).

## Details

- [Calibre Web](https://selfhost.directory/project/calibre-web) (markdown: https://selfhost.directory/project/calibre-web.md)
- [Urlaubsverwaltung](https://selfhost.directory/project/urlaubsverwaltung) (markdown: https://selfhost.directory/project/urlaubsverwaltung.md)

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Source: https://selfhost.directory/compare/calibre-web-vs-urlaubsverwaltung