Coolify
Hosting Panels
Self-hostable control panel that deploys apps, databases and services as Docker containers on your own servers.
Free self-hostedOpen source · Apache-2.0

Categories
Entries in our catalogue that can take over from Vercel. Each one states why, and links the vendor's own source for the claim.
Hosting Panels
Self-hostable control panel that deploys apps, databases and services as Docker containers on your own servers.
Why it can replace Vercel: Coolify's documentation covers moving an application from a managed platform such as Vercel onto your own server, including what the platform was hiding from you. Source