VirtualBox - VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as...
flexVDI - The Open Full-Stack VDI Solution
Proxmox VE - Proxmox is an open-source server virtualization management solution that offers the ability to manage virtual server technology with the Linux OpenVZ and KVM technology.
QVD Virtual Desktop - QVD Virtual Desktop provides an alternative to desktop and applications virtualisation under Linux environment; VDI secure, flexible and affordable
Citrix XenApp - Virtualized Windows application and desktop delivery
IsardVDI - Open Source VDI deployment based on KVM linux virtualization and dockers.