(Rancher employee) All the software is free to use and open source (Apache 2). Customers run the same software that's on GitHub/DockerHub. We sell "enterprise

(Rancher employee) All the software is free to use and open source (Apache 2). Customers run the same software that's on GitHub/DockerHub. We sell "enterprise support", which means something like "starting at mid-5 figures", and occasionally professional services engagements around/outside the product.