Karpenter
Kubernetes Node Autoscaling: built for flexibility, and performance
... capacities. Karpenter comes with a set of opinionated defaults in a single, declarative Provisioner resource which can easily be customized. No additional configuration is required! Karpenter observes the aggregate resource requests of unscheduled pods and makes decisions to launch and terminate nodes to minimize scheduling latencies and infrastructure costs. Karpenter is licensed under the permissive Apache License 2.0.