As far as I know, Coolify is great for single-server PaaS or multi-servers that work independently. Uncloud focuses on distributed multi-server HA deployments (which is what is usually preferred for production). It allows you to spread workload replicas across different providers and locations while maintaining unified management. It's closer to Kubernetes and Docker Swarm in terms of providing building blocks to build your PaaS of choice. Unlike Coolify which requires a dedicated server to run the control plane Uncloud has no central component to manage. It's just a network of interconnected machines so there's no single point of failure and no central service that needs updates, backups, etc.