# gatus vs Stalwart Mail Server

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

| | gatus | Stalwart Mail Server |
|---|---|---|
| Score | 76/100 | 78/100 ✓ |
| Rank in category | #1 of 12 in Uptime Monitoring | #2 of 16 in Mail Server |
| GitHub stars | 12 429 | 15 444 ✓ |
| Stars, last 30 days | +284 | +660 ✓ |
| Stable releases, 12 months | 9 | 30 ✓ |
| Latest release | v5.37.0 · 24 Sept 2026 | v1.0.0 · 26 Oct 2026 ✓ |
| Setup | Easy ✓ | Moderate |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | AGPL-3.0-only AND LicenseRef-SEL |
| Main language | Go | Rust |

## Which one should you pick?

Stalwart Mail Server scores 78/100 against 76/100 for gatus, so it is the safer default.

Stalwart Mail Server ships more often: 30 stable releases in the past year, against 9 for gatus.

If you want the quickest setup, gatus is easier to run; Stalwart Mail Server needs more configuration.

Stalwart Mail Server is growing faster right now (+660 stars in 30 days).

## Details

- [gatus](https://selfhost.directory/project/gatus) (markdown: https://selfhost.directory/project/gatus.md)
- [Stalwart Mail Server](https://selfhost.directory/project/stalwart-mail-server) (markdown: https://selfhost.directory/project/stalwart-mail-server.md)

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Source: https://selfhost.directory/compare/gatus-vs-stalwart-mail-server