Calibre WebvsZed Attack Proxy (ZAP)
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Calibre Web | Zed Attack Proxy (ZAP) | |
|---|---|---|
| Score | 78/100 | 80/100 |
| Rank in category | #1 of 7 in E-book Management | #4 of 78 in Security |
| GitHub stars | 18 485 | 16 058 |
| Stars, last 30 days | +254 | +243 |
| Stable releases, 12 months | 2 | 31 |
| Latest release | 0.6.27 · 8 Aug 2026 | w2026-10-23 · 23 Oct 2026 |
| Setup | Easy | Easy |
| Official Docker image | No | Yes |
| License | GPL-3.0 | Apache-2.0 |
| Main language | Fluent | Java |
Which one should you pick?
Zed Attack Proxy (ZAP) scores 80/100 against 78/100 for Calibre Web, so it is the safer default.
Zed Attack Proxy (ZAP) ships more often: 31 stable releases in the past year, against 2 for Calibre Web.
Calibre Web details →Zed Attack Proxy (ZAP) details →
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