QuantumvsRainbond
Two self-hosted Heroku alternatives, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Quantum | Rainbond | |
|---|---|---|
| Score | 51/100 | 64/100 |
| Rank in category | #10 of 14 in Platform as a Service | #2 of 10 in PaaS |
| GitHub stars | 477 | 6 284 |
| Stars, last 30 days | — | — |
| Stable releases, 12 months | 6 | 10 |
| Latest release | v2.1.2 · 7 Sept 2026 | v6.10.0-release · 27 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | No | Yes |
| License | MIT | Other |
| Main language | Typescript | Go |
Which one should you pick?
Rainbond scores 64/100 against 51/100 for Quantum, so it is the safer default.
Rainbond ships more often: 10 stable releases in the past year, against 6 for Quantum.
Quantum details →Rainbond details → All Heroku alternatives →