coolifyvsStalwart Mail Server
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| coolify | Stalwart Mail Server | |
|---|---|---|
| Score | 89/100 | 78/100 |
| Rank in category | #1 of 14 in Platform as a Service | #2 of 16 in Mail Server |
| GitHub stars | 65 184 | 15 462 |
| Stars, last 30 days | +2 982 | +678 |
| Stable releases, 12 months | 45 | 30 |
| Latest release | v4.5.3 · 28 Oct 2026 | v1.0.0 · 26 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | AGPL-3.0-only AND LicenseRef-SEL |
| Main language | PHP | Rust |
Which one should you pick?
coolify scores 89/100 against 78/100 for Stalwart Mail Server, so it is the safer default.
coolify ships more often: 45 stable releases in the past year, against 30 for Stalwart Mail Server.
coolify is growing faster right now (+2 982 stars in 30 days).
coolify details →Stalwart Mail Server details →