# Calibre Web Automated vs OSEM

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

| | Calibre Web Automated | OSEM |
|---|---|---|
| Score | 73/100 ✓ | 47/100 |
| Rank in category | #2 of 19 in Ebook Management | #8 of 11 in Event Management |
| GitHub stars | 6 508 ✓ | 929 |
| Stars, last 30 days | +172 ✓ | +0 |
| Stable releases, 12 months | 9 ✓ | 0 |
| Latest release | v4.0.8 · 28 Sept 2026 | — |
| Setup | Moderate ✓ | Advanced |
| Official Docker image | Yes ✓ | No |
| License | GPL-3.0 | MIT |
| Main language | JavaScript | Ruby |

## Which one should you pick?

Calibre Web Automated scores 73/100 against 47/100 for OSEM, so it is the safer default.

Calibre Web Automated ships more often: 9 stable releases in the past year, against 0 for OSEM.

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

Calibre Web Automated is growing faster right now (+172 stars in 30 days).

## Details

- [Calibre Web Automated](https://selfhost.directory/project/calibre-web-automated) (markdown: https://selfhost.directory/project/calibre-web-automated.md)
- [OSEM](https://selfhost.directory/project/osem) (markdown: https://selfhost.directory/project/osem.md)

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