# sink vs Stalwart Mail Server

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

| | sink | Stalwart Mail Server |
|---|---|---|
| Score | 68/100 | 78/100 ✓ |
| Rank in category | #5 of 23 in URL Shortener | #2 of 16 in Mail Server |
| GitHub stars | 7 241 | 15 464 ✓ |
| Stars, last 30 days | +86 | +680 ✓ |
| Stable releases, 12 months | 13 | 31 ✓ |
| Latest release | v0.3.1 · 27 Sept 2026 | v1.0.1 · 28 Oct 2026 ✓ |
| Setup | Moderate | Moderate ✓ |
| Official Docker image | No | Yes ✓ |
| License | AGPL-3.0 | AGPL-3.0-only AND LicenseRef-SEL |
| Main language | Typescript | Rust |

## Which one should you pick?

Stalwart Mail Server scores 78/100 against 68/100 for sink, so it is the safer default.

Stalwart Mail Server ships more often: 31 stable releases in the past year, against 13 for sink.

Stalwart Mail Server is growing faster right now (+680 stars in 30 days).

## Details

- [sink](https://selfhost.directory/project/sink) (markdown: https://selfhost.directory/project/sink.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/sink-vs-stalwart-mail-server