An open-source, self-hostable platform-as-a-service — a Vercel/Heroku/Railway alternative you run on your own server.
Coolify installs on any Linux server (a VPS, an EC2 box, even a Raspberry Pi) and gives you a dashboard to deploy apps from Git, spin up databases, and run 280+ one-click services, with automatic Let's Encrypt SSL, scheduled S3 backups, a browser terminal, team permissions, and a full API. It supports any language or framework via Nixpacks or your own Dockerfile.
Why it's a discovery: it delivers the git-push-to-deploy experience of a managed PaaS while keeping the data and the bill on infrastructure you control. It's "open source and free forever" to self-host; there's a paid managed cloud if you don't want to run the control plane yourself.
Best for: developers and small teams who want PaaS convenience without per-seat SaaS pricing or vendor lock-in.
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