# nettu-scheduler vs Stalwart Mail Server

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | nettu-scheduler | Stalwart Mail Server |
|---|---|---|
| Score | 42/100 | 79/100 ✓ |
| Rank in category | #27 of 30 in Calendar & Contacts | #2 of 16 in Mail Server |
| GitHub stars | 562 | 15 470 ✓ |
| Stars, last 30 days | +0 | +667 ✓ |
| Stable releases, 12 months | 0 | 31 ✓ |
| Latest release | — | v1.0.1 · 28 Oct 2026 |
| Setup | Advanced | Moderate ✓ |
| Official Docker image | No | Yes ✓ |
| License | MIT | AGPL-3.0-only AND LicenseRef-SEL |
| Main language | Rust | Rust |

## Which one should you pick?

Stalwart Mail Server scores 79/100 against 42/100 for nettu-scheduler, so it is the safer default.

Stalwart Mail Server ships more often: 31 stable releases in the past year, against 0 for nettu-scheduler.

If you want the quickest setup, Stalwart Mail Server is easier to run; nettu-scheduler needs more configuration.

Stalwart Mail Server is growing faster right now (+667 stars in 30 days).

## Details

- [nettu-scheduler](https://selfhost.directory/project/nettu-scheduler) (markdown: https://selfhost.directory/project/nettu-scheduler.md)
- [Stalwart Mail Server](https://selfhost.directory/project/stalwart-mail-server) (markdown: https://selfhost.directory/project/stalwart-mail-server.md)

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Source: https://selfhost.directory/compare/nettu-scheduler-vs-stalwart-mail-server