# Proton Mail Bridge vs Urbit

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

| | Proton Mail Bridge | Urbit |
|---|---|---|
| Score | 60/100 | 63/100 ✓ |
| Rank in category | #11 of 33 in Communication | #3 of 8 in Operating System |
| GitHub stars | 1 575 | 3 622 ✓ |
| Stars, last 30 days | +0 | +5 ✓ |
| Stable releases, 12 months | 10 ✓ | 6 |
| Latest release | v3.27.1 · 8 Oct 2026 ✓ | 408k-2 · 4 Aug 2026 |
| Setup | Moderate ✓ | Advanced |
| Official Docker image | No | No |
| License | GPL-3.0 | MIT |
| Main language | Go | hoon |

## Which one should you pick?

Urbit scores 63/100 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 6 for Urbit.

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

Urbit is growing faster right now (+5 stars in 30 days).

## Details

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

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