# Mailpit vs Zero-K

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

| | Mailpit | Zero-K |
|---|---|---|
| Score | 77/100 ✓ | 62/100 |
| Rank in category | #2 of 106 in Email | #2 of 23 in Gaming |
| GitHub stars | 10 785 ✓ | 877 |
| Stars, last 30 days | +350 ✓ | +26 |
| Stable releases, 12 months | 23 ✓ | 0 |
| Latest release | v1.32.0 · 22 Oct 2026 | — |
| Setup | Easy ✓ | Easy |
| Official Docker image | Yes ✓ | No |
| License | MIT | GPL-2.0 |
| Main language | Go | Lua |

## Which one should you pick?

Mailpit scores 77/100 against 62/100 for Zero-K, so it is the safer default.

Mailpit ships more often: 23 stable releases in the past year, against 0 for Zero-K.

Mailpit is growing faster right now (+350 stars in 30 days).

## Details

- [Mailpit](https://selfhost.directory/project/mailpit) (markdown: https://selfhost.directory/project/mailpit.md)
- [Zero-K](https://selfhost.directory/project/zero-k) (markdown: https://selfhost.directory/project/zero-k.md)

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Source: https://selfhost.directory/compare/mailpit-vs-zero-k