# cadvisor vs Stalwart Mail Server

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

| | cadvisor | Stalwart Mail Server |
|---|---|---|
| Score | 72/100 | 78/100 ✓ |
| Rank in category | #15 of 104 in Monitoring & observability | #2 of 16 in Mail Server |
| GitHub stars | 19 505 ✓ | 15 462 |
| Stars, last 30 days | +65 | +678 ✓ |
| Stable releases, 12 months | 15 | 30 ✓ |
| Latest release | v0.60.6 · 18 Sept 2026 | v1.0.0 · 26 Oct 2026 ✓ |
| Setup | Moderate ✓ | Moderate |
| Official Docker image | Yes | Yes |
| License | Other | AGPL-3.0-only AND LicenseRef-SEL |
| Main language | Go | Rust |

## Which one should you pick?

Stalwart Mail Server scores 78/100 against 72/100 for cadvisor, so it is the safer default.

Stalwart Mail Server ships more often: 30 stable releases in the past year, against 15 for cadvisor.

Stalwart Mail Server is growing faster right now (+678 stars in 30 days).

## Details

- [cadvisor](https://selfhost.directory/project/cadvisor) (markdown: https://selfhost.directory/project/cadvisor.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/cadvisor-vs-stalwart-mail-server