# Calibre vs Drone CI

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

| | Calibre | Drone CI |
|---|---|---|
| Score | 83/100 ✓ | 79/100 |
| Rank in category | #1 of 19 in Ebook Management | #4 of 28 in CI/CD |
| GitHub stars | 26 269 | 38 752 ✓ |
| Stars, last 30 days | +260 | +318 ✓ |
| Stable releases, 12 months | 18 ✓ | 6 |
| Latest release | v9.17.0 · 23 Oct 2026 ✓ | v2.28.2 · 20 Apr 2026 |
| Setup | Easy | Easy ✓ |
| Official Docker image | No | Yes ✓ |
| License | GPL-3.0 | Apache-2.0 |
| Main language | Python | Go |

## Which one should you pick?

Calibre scores 83/100 against 79/100 for Drone CI, so it is the safer default.

Calibre ships more often: 18 stable releases in the past year, against 6 for Drone CI.

## Details

- [Calibre](https://selfhost.directory/project/calibre) (markdown: https://selfhost.directory/project/calibre.md)
- [Drone CI](https://selfhost.directory/project/drone-ci) (markdown: https://selfhost.directory/project/drone-ci.md)

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Source: https://selfhost.directory/compare/calibre-vs-drone-ci