# Calibre Web Automated vs Zero

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

| | Calibre Web Automated | Zero |
|---|---|---|
| Score | 73/100 ✓ | 56/100 |
| Rank in category | #2 of 19 in Ebook Management | #22 of 120 in AI Assistant |
| GitHub stars | 6 508 ✓ | 1 768 |
| Stars, last 30 days | +172 ✓ | +0 |
| Stable releases, 12 months | 9 | 10 ✓ |
| Latest release | v4.0.8 · 28 Sept 2026 | v0.11.0 · 16 Oct 2026 ✓ |
| Setup | Moderate | Moderate |
| Official Docker image | Yes ✓ | No |
| License | GPL-3.0 | MIT |
| Main language | JavaScript | Go |

## Which one should you pick?

Calibre Web Automated scores 73/100 against 56/100 for Zero, so it is the safer default.

Zero ships more often: 10 stable releases in the past year, against 9 for Calibre Web Automated.

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)
- [Zero](https://selfhost.directory/project/zero) (markdown: https://selfhost.directory/project/zero.md)

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