# Kong Gateway vs Proton Mail Bridge

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

| | Kong Gateway | Proton Mail Bridge |
|---|---|---|
| Score | 82/100 ✓ | 60/100 |
| Rank in category | #1 of 39 in API Gateway | #11 of 33 in Communication |
| GitHub stars | 44 317 ✓ | 1 575 |
| Stars, last 30 days | +131 | — |
| Stable releases, 12 months | 3 | 10 ✓ |
| Latest release | 3.9.4 · 12 Oct 2026 ✓ | v3.27.1 · 8 Oct 2026 |
| Setup | Moderate | Moderate ✓ |
| Official Docker image | No | No |
| License | Apache-2.0 | GPL-3.0 |
| Main language | Lua | Go |

## Which one should you pick?

Kong Gateway scores 82/100 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 3 for Kong Gateway.

Kong Gateway is growing faster right now (+131 stars in 30 days).

## Details

- [Kong Gateway](https://selfhost.directory/project/kong-gateway) (markdown: https://selfhost.directory/project/kong-gateway.md)
- [Proton Mail Bridge](https://selfhost.directory/project/proton-bridge) (markdown: https://selfhost.directory/project/proton-bridge.md)

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