gunvsSpacetimeDB
Two self-hosted Firebase alternatives, 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).
gun details →SpacetimeDB details → All Firebase alternatives →