KuberovsRainbond
Two self-hosted Heroku alternatives, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Kubero | Rainbond | |
|---|---|---|
| Score | 62/100 | 64/100 |
| Rank in category | #3 of 10 in PaaS | #2 of 10 in PaaS |
| GitHub stars | 4 454 | 6 284 |
| Stars, last 30 days | +29 | — |
| Stable releases, 12 months | 0 | 10 |
| Latest release | — | v6.10.0-release · 27 Oct 2026 |
| Setup | Advanced | Moderate |
| Official Docker image | Yes | Yes |
| License | GPL-3.0 | Other |
| Main language | Typescript | Go |
Which one should you pick?
Rainbond scores 64/100 against 62/100 for Kubero, so it is the safer default.
Rainbond ships more often: 10 stable releases in the past year, against 0 for Kubero.
If you want the quickest setup, Rainbond is easier to run; Kubero needs more configuration.
Kubero is growing faster right now (+29 stars in 30 days).
Kubero details →Rainbond details → All Heroku alternatives →