# gun vs SpacetimeDB

> Two self-hosted [Firebase alternatives](https://selfhost.directory/alternative-to/firebase), compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | gun | SpacetimeDB |
|---|---|---|
| Score | 68/100 | 75/100 ✓ |
| Rank in category | #16 of 38 in Databases | #7 of 38 in Databases |
| GitHub stars | 19 158 | 25 399 ✓ |
| Stars, last 30 days | +21 | +77 ✓ |
| Stable releases, 12 months | 0 | 7 ✓ |
| Latest release | — | v2.13.0 · 19 Oct 2026 |
| Setup | Easy ✓ | Moderate |
| Official Docker image | Yes | Yes |
| License | Other | Other |
| Main language | JavaScript | Rust |

## Which one should you pick?

SpacetimeDB scores 75/100 against 68/100 for gun, so it is the safer default.

SpacetimeDB ships more often: 7 stable releases in the past year, against 0 for gun.

If you want the quickest setup, gun is easier to run; SpacetimeDB needs more configuration.

SpacetimeDB is growing faster right now (+77 stars in 30 days).

## Details

- [gun](https://selfhost.directory/project/gun) (markdown: https://selfhost.directory/project/gun.md)
- [SpacetimeDB](https://selfhost.directory/project/spacetimedb) (markdown: https://selfhost.directory/project/spacetimedb.md)

## Related comparisons

- [Appwrite vs supabase](https://selfhost.directory/compare/appwrite-vs-supabase)

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Source: https://selfhost.directory/compare/gun-vs-spacetimedb