Levelrail is open source (Apache 2.0). Read the code, star it and try it on GitHub: github.com/glincker/levelrail , or install it in one command .
Searching for a self-hosted Vercel alternative turns up a long list, and the names do different things. Some copy the Heroku git push workflow. Some are dashboards over Docker. Some also want you to run a cluster. This post sorts them out, says what each is good at, and ends with a pick by use case.
I build Levelrail, so I put it first in the picks and say why. The rest are worth your time too, and I have kept the claims about them to what their own repositories and docs say. For a per-feature view, the Coolify comparison has sources for each row, and the alternatives page covers the wider field.
The hosted options first
You may not need to self-host. Here is what the hosted platforms do.
Vercel deploys from GitHub, GitLab or Bitbucket, and every push to the connected branch triggers a new deployment.…