Calibre WebvsProton Mail Bridge
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Calibre Web | Proton Mail Bridge | |
|---|---|---|
| Score | 78/100 | 60/100 |
| Rank in category | #1 of 7 in E-book Management | #11 of 33 in Communication |
| GitHub stars | 18 488 | 1 575 |
| Stars, last 30 days | +248 | +0 |
| Stable releases, 12 months | 2 | 10 |
| Latest release | 0.6.27 · 8 Aug 2026 | v3.27.1 · 8 Oct 2026 |
| Setup | Easy | Moderate |
| Official Docker image | No | No |
| License | GPL-3.0 | GPL-3.0 |
| Main language | Fluent | Go |
Which one should you pick?
Calibre Web scores 78/100 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 2 for Calibre Web.
If you want the quickest setup, Calibre Web is easier to run; Proton Mail Bridge needs more configuration.
Calibre Web is growing faster right now (+248 stars in 30 days).
Calibre Web details →Proton Mail Bridge details →
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