Rancher

Rancher, now developed by SUSE, is a control plane for running many Kubernetes clusters from one place. It can create clusters on hosted providers, provision nodes and install its own distributions (RKE2 and K3s), or import existing clusters. It adds central authentication and role-based access control, monitoring and alerting, a Helm-based app catalog, and Fleet for GitOps-style deployment of workloads to large numbers of clusters, including edge sites. It does not host anything itself: you supply the servers or the cloud Kubernetes service, and Rancher manages them. It suits enterprise IT and platform teams running mixed estates of on-premises, cloud and edge clusters who want to avoid tying themselves to one distribution. The open source edition is free. The commercial Rancher Prime subscription adds SUSE support and long lifecycle coverage. SUSE does not publish its price, and in 2025 it moved Prime from per-node to per-core and per-vCPU licensing, which competitors and analysts say raised costs sharply for some customers. A separate SaaS edition, SUSE Rancher for AWS, is sold on AWS Marketplace at $168 per month for 24 managed vCPUs plus $7 for each additional vCPU, with a 30-day trial. Integrations include Amazon EKS, Azure AKS and Google GKE, Helm, a Terraform provider (rancher/rancher2), policy engines such as Kyverno and OPA Gatekeeper, and SUSE's add-ons for storage (Longhorn), virtualization (Harvester) and security. Its main drawback is operational: reviewers report a complex setup and a steep learning curve, and users describe upgrades of the management server and clusters that stall or break.