# Unison vs Zero-K

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

| | Unison | Zero-K |
|---|---|---|
| Score | 65/100 ✓ | 62/100 |
| Rank in category | #2 of 15 in File Sync | #2 of 23 in Gaming |
| GitHub stars | 5 559 ✓ | 877 |
| Stars, last 30 days | +65 ✓ | +26 |
| Stable releases, 12 months | 2 ✓ | 0 |
| Latest release | v2.54.0 · 1 May 2026 | — |
| Setup | Moderate | Easy ✓ |
| Official Docker image | No | No |
| License | GPL-3.0 | GPL-2.0 |
| Main language | OCaml | Lua |

## Which one should you pick?

Unison scores 65/100 against 62/100 for Zero-K, so it is the safer default.

Unison ships more often: 2 stable releases in the past year, against 0 for Zero-K.

If you want the quickest setup, Zero-K is easier to run; Unison needs more configuration.

Unison is growing faster right now (+65 stars in 30 days).

## Details

- [Unison](https://selfhost.directory/project/unison) (markdown: https://selfhost.directory/project/unison.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/unison-vs-zero-k