Stalwart Mail ServervsWhatomate
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Stalwart Mail Server | Whatomate | |
|---|---|---|
| Score | 79/100 | 53/100 |
| Rank in category | #2 of 16 in Mail Server | #37 of 110 in Chat |
| GitHub stars | 15 473 | 1 751 |
| Stars, last 30 days | +670 | +0 |
| Stable releases, 12 months | 31 | 0 |
| Latest release | v1.0.1 · 28 Oct 2026 | — |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0-only AND LicenseRef-SEL | AGPL-3.0 |
| Main language | Rust | Go |
Which one should you pick?
Stalwart Mail Server scores 79/100 against 53/100 for Whatomate, so it is the safer default.
Stalwart Mail Server ships more often: 31 stable releases in the past year, against 0 for Whatomate.
Stalwart Mail Server is growing faster right now (+670 stars in 30 days).
Stalwart Mail Server details →Whatomate details →
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