rack
PaaS
20261021234916
Convox Rack is the runtime of the Convox PaaS: a private application platform that provisions and runs inside your own cloud account instead of on…6d agoNo DockerAdvanced
Self-hosted alternatives to Fly.io
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2 projects· by score
Projects
Also in PaaS
Not listed as Fly.io alternatives, but they cover the same ground and are worth a look.
QuickStackA free, open-source platform you host yourself that replaces Vercel or Heroku — deploy apps and databases on your own hardware with automatic HTTPS and backups.
KuberoOpen-source, self-hosted PaaS for Kubernetes: deploy containers or source with 160+ app templates, CI/CD pipelines and GitOps review apps, run by a UI plus operator.
OpenshipSelf-hosted open-source PaaS: hand it a repo, a folder or an artifact and it detects your stack, builds it, then serves it on your domain with free certificates.
RainbondRainbond is a self-hosted, open-source container platform for deploying apps on Kubernetes without K8s expertise, with an app marketplace and offline delivery.
CanineOpen-source, self-hosted PaaS that runs on your own Kubernetes cluster: git-push deploys, Let's Encrypt SSL, rollbacks, workers and cron jobs, team access control.
Websoft9Self-hosted PaaS panel in a single Docker container that one-click deploys hundreds of open-source web apps, with domains, SSL, backups and monitoring. Open-source.
About these Fly.io alternatives
2 open-source, self-hosted alternatives to Fly.io are listed here, ranked by popularity, maintenance and documentation.
- Highest rated
- rack (1 889 GitHub stars, Other license, written in Go), followed by InstaCloud OSS
- Docker
- 1 of the top 2 ship an official Docker image
- Recently updated
- rack 20261021234916 on 2026-10-22
Fly.io alternatives compared
| Project | License | Language | Stars | Docker | Setup | Latest release | Score |
|---|---|---|---|---|---|---|---|
| rack | Other | Go | 1 889 | — | Advanced | 20261021234916 | 56 |
| InstaCloud OSS | Apache-2.0 | Typescript | 209 | Yes | Moderate | gate-v0.1.1 | 45 |