Proton Mail BridgevsStalwart Mail Server
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Proton Mail Bridge | Stalwart Mail Server | |
|---|---|---|
| Score | 60/100 | 79/100 |
| Rank in category | #11 of 33 in Communication | #2 of 16 in Mail Server |
| GitHub stars | 1 575 | 15 470 |
| Stars, last 30 days | +0 | +667 |
| Stable releases, 12 months | 10 | 31 |
| Latest release | v3.27.1 · 8 Oct 2026 | v1.0.1 · 28 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | No | Yes |
| License | GPL-3.0 | AGPL-3.0-only AND LicenseRef-SEL |
| Main language | Go | Rust |
Which one should you pick?
Stalwart Mail Server scores 79/100 against 60/100 for Proton Mail Bridge, so it is the safer default.
Stalwart Mail Server ships more often: 31 stable releases in the past year, against 10 for Proton Mail Bridge.
Stalwart Mail Server is growing faster right now (+667 stars in 30 days).
Proton Mail Bridge details →Stalwart Mail Server details →
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