# Self-hosted alternatives to Fly.io

> 2 self-hostable, open-source alternatives to Fly.io, ranked by score.

- [rack](https://selfhost.directory/project/rack)
- [InstaCloud OSS](https://selfhost.directory/project/instacloud-oss)

## Head-to-head

- [rack vs InstaCloud OSS](https://selfhost.directory/compare/instacloud-oss-vs-rack)

## Also in PaaS

Not listed as Fly.io alternatives, but from the same category:

- [QuickStack](https://selfhost.directory/project/quickstack): A 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.
- [Kubero](https://selfhost.directory/project/kubero): Open-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.
- [Openship](https://selfhost.directory/project/openship): Self-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.
- [Rainbond](https://selfhost.directory/project/rainbond): Rainbond is a self-hosted, open-source container platform for deploying apps on Kubernetes without K8s expertise, with an app marketplace and offline delivery.
- [Canine](https://selfhost.directory/project/canine): Open-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.
- [Websoft9](https://selfhost.directory/project/websoft9): Self-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.

All 13 PaaS projects: https://selfhost.directory/paas

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Source: https://selfhost.directory/alternative-to/flyio