# Calibre Web vs Harbor

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

| | Calibre Web | Harbor |
|---|---|---|
| Score | 78/100 | 80/100 ✓ |
| Rank in category | #1 of 7 in E-book Management | #1 of 12 in Container Registry |
| GitHub stars | 18 486 | 29 635 ✓ |
| Stars, last 30 days | +255 ✓ | +191 |
| Stable releases, 12 months | 2 | 10 ✓ |
| Latest release | 0.6.27 · 8 Aug 2026 | v2.14.6 · 23 Oct 2026 ✓ |
| Setup | Easy ✓ | Moderate |
| Official Docker image | No | No |
| License | GPL-3.0 | Apache-2.0 |
| Main language | Fluent | Go |

## Which one should you pick?

Harbor scores 80/100 against 78/100 for Calibre Web, so it is the safer default.

Harbor 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; Harbor needs more configuration.

## Details

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

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