# Urbit vs Zero-K

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

| | Urbit | Zero-K |
|---|---|---|
| Score | 63/100 ✓ | 62/100 |
| Rank in category | #3 of 8 in Operating System | #2 of 23 in Gaming |
| GitHub stars | 3 622 ✓ | 877 |
| Stars, last 30 days | +5 | +26 ✓ |
| Stable releases, 12 months | 6 ✓ | 0 |
| Latest release | 408k-2 · 4 Aug 2026 | — |
| Setup | Advanced | Easy ✓ |
| Official Docker image | No | No |
| License | MIT | GPL-2.0 |
| Main language | hoon | Lua |

## Which one should you pick?

Urbit scores 63/100 against 62/100 for Zero-K, so it is the safer default.

Urbit ships more often: 6 stable releases in the past year, against 0 for Zero-K.

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

Zero-K is growing faster right now (+26 stars in 30 days).

## Details

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