crocvsStalwart Mail Server
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| croc | Stalwart Mail Server | |
|---|---|---|
| Score | 82/100 | 78/100 |
| Rank in category | #1 of 11 in File Transfer & Sync | #2 of 16 in Mail Server |
| GitHub stars | 40 798 | 15 465 |
| Stars, last 30 days | +367 | +681 |
| Stable releases, 12 months | 48 | 31 |
| Latest release | v11.5.5 · 19 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?
croc scores 82/100 against 78/100 for Stalwart Mail Server, so it is the safer default.
croc ships more often: 48 stable releases in the past year, against 31 for Stalwart Mail Server.
If you want the quickest setup, croc is easier to run; Stalwart Mail Server needs more configuration.
croc details →Stalwart Mail Server details →