# Calibre Web Automated vs Rocket.Chat

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

| | Calibre Web Automated | Rocket.Chat |
|---|---|---|
| Score | 73/100 | 82/100 ✓ |
| Rank in category | #2 of 19 in Ebook Management | #1 of 13 in Instant Messaging |
| GitHub stars | 6 504 | 46 349 ✓ |
| Stars, last 30 days | +172 | +188 ✓ |
| Stable releases, 12 months | 9 | 36 ✓ |
| Latest release | v4.0.8 · 28 Sept 2026 | 8.5.4 · 16 Oct 2026 ✓ |
| Setup | Moderate ✓ | Moderate |
| Official Docker image | Yes | Yes |
| License | GPL-3.0 | Other |
| Main language | JavaScript | Typescript |

## Which one should you pick?

Rocket.Chat scores 82/100 against 73/100 for Calibre Web Automated, so it is the safer default.

Rocket.Chat ships more often: 36 stable releases in the past year, against 9 for Calibre Web Automated.

## Details

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

## Related comparisons

- [Discourse vs Rocket.Chat](https://selfhost.directory/compare/discourse-vs-rocketchat)
- [Rocket.Chat vs Zulip](https://selfhost.directory/compare/rocketchat-vs-zulip)

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