I'll note that Docker only does this on the virtual machine infrastructure wrapper needed to run a minimal Linux VM to run Docker on non native platforms. If y

I'll note that Docker only does this on the virtual machine infrastructure wrapper needed to run a minimal Linux VM to run Docker on non native platforms. If you run Docker on Linux, which it was designed for, it is totally open source and free. If you are on a Mac it is assumed you like paying for GUIs on top of things that are otherwise free. That checks out.