NetworkOptimizervsStalwart Mail Server
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| NetworkOptimizer | Stalwart Mail Server | |
|---|---|---|
| Score | 56/100 | 79/100 |
| Rank in category | #17 of 48 in Network Monitoring | #2 of 16 in Mail Server |
| GitHub stars | 1 213 | 15 479 |
| Stars, last 30 days | +2 | +676 |
| Stable releases, 12 months | 23 | 31 |
| Latest release | v2.10.3 · 28 Oct 2026 | v1.0.1 · 28 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | Other | AGPL-3.0-only AND LicenseRef-SEL |
| Main language | C# | Rust |
Which one should you pick?
Stalwart Mail Server scores 79/100 against 56/100 for NetworkOptimizer, so it is the safer default.
Stalwart Mail Server ships more often: 31 stable releases in the past year, against 23 for NetworkOptimizer.
Stalwart Mail Server is growing faster right now (+676 stars in 30 days).
NetworkOptimizer details →Stalwart Mail Server details →