# Calibre Web vs unleash

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

| | Calibre Web | unleash |
|---|---|---|
| Score | 78/100 ✓ | 75/100 |
| Rank in category | #1 of 7 in E-book Management | #1 of 8 in Feature Flags |
| GitHub stars | 18 487 ✓ | 13 914 |
| Stars, last 30 days | +247 ✓ | +88 |
| Stable releases, 12 months | 2 | 15 ✓ |
| Latest release | 0.6.27 · 8 Aug 2026 | v8.3.0 · 27 Oct 2026 ✓ |
| Setup | Easy | Easy |
| Official Docker image | No | Yes ✓ |
| License | GPL-3.0 | AGPL-3.0 |
| Main language | Fluent | Typescript |

## Which one should you pick?

Calibre Web scores 78/100 against 75/100 for unleash, so it is the safer default.

unleash ships more often: 15 stable releases in the past year, against 2 for Calibre Web.

Calibre Web is growing faster right now (+247 stars in 30 days).

## Details

- [Calibre Web](https://selfhost.directory/project/calibre-web) (markdown: https://selfhost.directory/project/calibre-web.md)
- [unleash](https://selfhost.directory/project/unleash) (markdown: https://selfhost.directory/project/unleash.md)

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