Calibre Web AutomatedvsProton Mail Bridge
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Calibre Web Automated | Proton Mail Bridge | |
|---|---|---|
| Score | 73/100 | 60/100 |
| Rank in category | #2 of 19 in Ebook Management | #11 of 33 in Communication |
| GitHub stars | 6 506 | 1 575 |
| Stars, last 30 days | +174 | — |
| Stable releases, 12 months | 9 | 10 |
| Latest release | v4.0.8 · 28 Sept 2026 | v3.27.1 · 8 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | No |
| License | GPL-3.0 | GPL-3.0 |
| Main language | JavaScript | Go |
Which one should you pick?
Calibre Web Automated scores 73/100 against 60/100 for Proton Mail Bridge, so it is the safer default.
Proton Mail Bridge ships more often: 10 stable releases in the past year, against 9 for Calibre Web Automated.
Calibre Web Automated is growing faster right now (+174 stars in 30 days).
Calibre Web Automated details →Proton Mail Bridge details →
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