# HyperSwitch vs Stalwart Mail Server

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

| | HyperSwitch | Stalwart Mail Server |
|---|---|---|
| Score | 81/100 ✓ | 79/100 |
| Rank in category | #2 of 9 in Fintech | #2 of 16 in Mail Server |
| GitHub stars | 45 517 ✓ | 15 473 |
| Stars, last 30 days | +1 606 ✓ | +670 |
| Stable releases, 12 months | 2 | 31 ✓ |
| Latest release | v1.127.0 · 23 Sept 2026 | v1.0.1 · 28 Oct 2026 ✓ |
| Setup | Advanced | Moderate ✓ |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | AGPL-3.0-only AND LicenseRef-SEL |
| Main language | Rust | Rust |

## Which one should you pick?

HyperSwitch scores 81/100 against 79/100 for Stalwart Mail Server, so it is the safer default.

Stalwart Mail Server ships more often: 31 stable releases in the past year, against 2 for HyperSwitch.

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

HyperSwitch is growing faster right now (+1 606 stars in 30 days).

## Details

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

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