Stalwart Mail Servervswindmill
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Stalwart Mail Server | windmill | |
|---|---|---|
| Score | 78/100 | 77/100 |
| Rank in category | #2 of 16 in Mail Server | #6 of 32 in Workflow Automation |
| GitHub stars | 15 462 | 18 307 |
| Stars, last 30 days | +678 | +287 |
| Stable releases, 12 months | 31 | 163 |
| Latest release | v1.0.1 · 28 Oct 2026 | v1.853.0 · 28 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0-only AND LicenseRef-SEL | Other |
| Main language | Rust | Rust |
Which one should you pick?
Stalwart Mail Server scores 78/100 against 77/100 for windmill, so it is the safer default.
windmill ships more often: 163 stable releases in the past year, against 31 for Stalwart Mail Server.
Stalwart Mail Server is growing faster right now (+678 stars in 30 days).
Stalwart Mail Server details →windmill details →
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