CertimatevsStalwart Mail Server
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Certimate | Stalwart Mail Server | |
|---|---|---|
| Score | 67/100 | 79/100 |
| Rank in category | #1 of 8 in Certificate Management | #2 of 16 in Mail Server |
| GitHub stars | 9 410 | 15 473 |
| Stars, last 30 days | +24 | +670 |
| Stable releases, 12 months | 11 | 31 |
| Latest release | v0.4.36 · 26 Oct 2026 | v1.0.1 · 28 Oct 2026 |
| Setup | Easy | Moderate |
| Official Docker image | Yes | Yes |
| License | MIT | 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 Certimate, so it is the safer default.
Stalwart Mail Server ships more often: 31 stable releases in the past year, against 11 for Certimate.
If you want the quickest setup, Certimate is easier to run; Stalwart Mail Server needs more configuration.
Stalwart Mail Server is growing faster right now (+670 stars in 30 days).
Certimate details →Stalwart Mail Server details →
Swap a project
Keep Certimate, compare it with
Keep Stalwart Mail Server, compare it with