# Calibre vs Versity S3 Gateway

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

| | Calibre | Versity S3 Gateway |
|---|---|---|
| Score | 83/100 ✓ | 66/100 |
| Rank in category | #1 of 19 in Ebook Management | #2 of 5 in Storage |
| GitHub stars | 26 268 ✓ | 3 077 |
| Stars, last 30 days | +269 ✓ | +137 |
| Stable releases, 12 months | 18 ✓ | 14 |
| Latest release | v9.17.0 · 23 Oct 2026 ✓ | v1.10.0 · 22 Oct 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 66/100 for Versity S3 Gateway, so it is the safer default.

Calibre ships more often: 18 stable releases in the past year, against 14 for Versity S3 Gateway.

## Details

- [Calibre](https://selfhost.directory/project/calibre) (markdown: https://selfhost.directory/project/calibre.md)
- [Versity S3 Gateway](https://selfhost.directory/project/versity-s3-gateway) (markdown: https://selfhost.directory/project/versity-s3-gateway.md)

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Source: https://selfhost.directory/compare/calibre-vs-versity-s3-gateway