Stalwart Mail ServervsZero-K
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Stalwart Mail Server | Zero-K | |
|---|---|---|
| Score | 79/100 | 62/100 |
| Rank in category | #2 of 16 in Mail Server | #2 of 23 in Gaming |
| GitHub stars | 15 470 | 877 |
| Stars, last 30 days | +667 | +26 |
| Stable releases, 12 months | 31 | 0 |
| Latest release | v1.0.1 · 28 Oct 2026 | — |
| Setup | Moderate | Easy |
| Official Docker image | Yes | No |
| License | AGPL-3.0-only AND LicenseRef-SEL | GPL-2.0 |
| Main language | Rust | Lua |
Which one should you pick?
Stalwart Mail Server scores 79/100 against 62/100 for Zero-K, so it is the safer default.
Stalwart Mail Server ships more often: 31 stable releases in the past year, against 0 for Zero-K.
If you want the quickest setup, Zero-K is easier to run; Stalwart Mail Server needs more configuration.
Stalwart Mail Server is growing faster right now (+667 stars in 30 days).
Stalwart Mail Server details →Zero-K details →
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