Microsoft Hyper-V Microsoft introduced its hypervisor in 2008, and has continued to release new versions along with the new Windows servers. Hyper -V helps one expand or establish a private cloud environment, promotes effective hardware utilization, improves business…

Please see url below http://www.munzandmore.com/2015/cc/docker-container-vs-virtualization Best regards.

KVM is Hypervisor and vSphere is platform but Ovirt is platform with KVM. The big difference it's cost but vMware is leader on Virtualization.

I haven't personally worked with NComputing. But I think VMware Horizon View is a better, because VMware is a leader on virtualization in the world and you see support , development and applications...