compare
Kamal vs Kubero
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Kamal | Kubero |
|---|---|---|
| Language | Ruby | TypeScript |
| Licence | MIT | GPL-3.0 |
| Stars | 15k | 4.4k |
| Latest | v2.12.0 | v3.1.1 |
| Last push | 2026-10-06 | 2026-09-09 |
| Release cadence | about 55 days between releases | about 18 days between releases |
| Active contributors | 9 commit authors on the default branch in the last 90 days | 0 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Heroku. Alternatives to Heroku →
PartialKamalDeploys containers to your own servers over SSH with zero-downtime switches, without buildpacks or managed add-ons.
Full replacementKuberoPipelines with review apps, buildpacks and add-ons such as PostgreSQL and Redis, on a Kubernetes cluster.
Kamal
- v2.12.02026-06-18ci: harden GitHub Actions workflows
- v2.11.02026-03-18This version requires kamal-proxy v0.9.2 or higher to deploy. Run kamal proxy reboot to update to v0.9.2.
- v2.10.12025-12-16Pass accessory volume through as is
- v2.10.02025-12-15Set proxy run configuration in deploy YAML
- v2.9.02025-11-26Restore ability to specify SSH Configuration property
Kamal
unsigned The latest release, v2.12.0, carries no signature GitHub could verify.
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Kubero
✓ signed The latest release, v3.1.1, carries a signature GitHub verified.
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