# Calibre Web Automated vs Rspamd

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

| | Calibre Web Automated | Rspamd |
|---|---|---|
| Score | 73/100 ✓ | 65/100 |
| Rank in category | #2 of 19 in Ebook Management | #1 of 4 in Anti-Spam |
| GitHub stars | 6 508 ✓ | 2 559 |
| Stars, last 30 days | +172 ✓ | +27 |
| Stable releases, 12 months | 9 | 14 ✓ |
| Latest release | v4.0.8 · 28 Sept 2026 | 4.2.3 · 21 Oct 2026 ✓ |
| Setup | Moderate ✓ | Advanced |
| Official Docker image | Yes | Yes |
| License | GPL-3.0 | Other |
| Main language | JavaScript | C |

## Which one should you pick?

Calibre Web Automated scores 73/100 against 65/100 for Rspamd, so it is the safer default.

Rspamd ships more often: 14 stable releases in the past year, against 9 for Calibre Web Automated.

If you want the quickest setup, Calibre Web Automated is easier to run; Rspamd 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)
- [Rspamd](https://selfhost.directory/project/rspamd) (markdown: https://selfhost.directory/project/rspamd.md)

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