--- title: "Documentation | Rancher Labs" pageHeader: "Rancher Docs" description: "Rancher is open source software that combines everything an organization needs to adopt and run containers in production. Built on Kubernetes, Rancher makes it easy for DevOps teams to test, deploy and manage their applications. Operations teams use Rancher to deploy, manage and secure every Kubernetes deployment regardless of where it is running." layout: blank ---

### Rancher 2.x

Rancher manages all of your Kubernetes clusters everywhere, unifies them under centralized RBAC, monitors them and lets you easily deploy and manage workloads through an intuitive user interface.

Read about how to migrate from Rancher v1.6 Cattle to v2.x

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### Rancher 1.6

If you haven't yet migrated to Rancher 2.x, you can still find documentation for 1.6 here. This is only for legacy users of the 1.6 product.

Read the Docs

### RancherOS

RancherOS is the lightest, easiest way to run Docker in production. Engineered from the ground up for security and speed, it runs all system services and user workloads within Docker containers.

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### RKE

Rancher Kubernetes Engine (RKE) is an extremely simple, lightning fast Kubernetes installer that works everywhere.

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