# Proton Mail Bridge vs Shields

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

| | Proton Mail Bridge | Shields |
|---|---|---|
| Score | 60/100 | 80/100 ✓ |
| Rank in category | #11 of 33 in Communication | #6 of 166 in Developer Tools |
| GitHub stars | 1 575 | 27 332 ✓ |
| Stars, last 30 days | +0 | +126 ✓ |
| Stable releases, 12 months | 10 ✓ | 0 |
| Latest release | v3.27.1 · 8 Oct 2026 | — |
| Setup | Moderate | Easy ✓ |
| Official Docker image | No | Yes ✓ |
| License | GPL-3.0 | Apache-2.0 |
| Main language | Go | JavaScript |

## Which one should you pick?

Shields scores 80/100 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 0 for Shields.

If you want the quickest setup, Shields is easier to run; Proton Mail Bridge needs more configuration.

Shields is growing faster right now (+126 stars in 30 days).

## Details

- [Proton Mail Bridge](https://selfhost.directory/project/proton-bridge) (markdown: https://selfhost.directory/project/proton-bridge.md)
- [Shields](https://selfhost.directory/project/shields) (markdown: https://selfhost.directory/project/shields.md)

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Source: https://selfhost.directory/compare/proton-bridge-vs-shields