# Calibre vs Sure

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

| | Calibre | Sure |
|---|---|---|
| Score | 83/100 ✓ | 74/100 |
| Rank in category | #1 of 19 in Ebook Management | #4 of 62 in Personal Finance |
| GitHub stars | 26 267 ✓ | 10 712 |
| Stars, last 30 days | +268 | +688 ✓ |
| Stable releases, 12 months | 18 ✓ | 15 |
| Latest release | v9.17.0 · 23 Oct 2026 | v0.7.5-hotfix.3 · 24 Oct 2026 ✓ |
| Setup | Easy ✓ | Easy |
| Official Docker image | No | Yes ✓ |
| License | GPL-3.0 | AGPL-3.0 |
| Main language | Python | Ruby |

## Which one should you pick?

Calibre scores 83/100 against 74/100 for Sure, so it is the safer default.

Calibre ships more often: 18 stable releases in the past year, against 15 for Sure.

Sure is growing faster right now (+688 stars in 30 days).

## Details

- [Calibre](https://selfhost.directory/project/calibre) (markdown: https://selfhost.directory/project/calibre.md)
- [Sure](https://selfhost.directory/project/sure) (markdown: https://selfhost.directory/project/sure.md)

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Source: https://selfhost.directory/compare/calibre-vs-sure