FleetvsStalwart Mail Server
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Fleet | Stalwart Mail Server | |
|---|---|---|
| Score | 67/100 | 79/100 |
| Rank in category | #1 of 11 in Device Management | #2 of 16 in Mail Server |
| GitHub stars | 7 071 | 15 482 |
| Stars, last 30 days | +2 | +679 |
| Stable releases, 12 months | 4 | 31 |
| Latest release | fleet-v4.94.0 · 28 Oct 2026 | v1.0.1 · 28 Oct 2026 |
| Setup | Advanced | Moderate |
| Official Docker image | No | Yes |
| License | Other | AGPL-3.0-only AND LicenseRef-SEL |
| Main language | Go | Rust |
Which one should you pick?
Stalwart Mail Server scores 79/100 against 67/100 for Fleet, so it is the safer default.
Stalwart Mail Server ships more often: 31 stable releases in the past year, against 4 for Fleet.
If you want the quickest setup, Stalwart Mail Server is easier to run; Fleet needs more configuration.
Stalwart Mail Server is growing faster right now (+679 stars in 30 days).
Fleet details →Stalwart Mail Server details →
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