flexVDI - The Open Full-Stack VDI Solution
winflector - With this application you can create your own terminal services.
QVD Virtual Desktop - QVD Virtual Desktop provides an alternative to desktop and applications virtualisation under Linux environment; VDI secure, flexible and affordable
IsardVDI - Open Source VDI deployment based on KVM linux virtualization and dockers.
Parsec - Streams games locally or over the internet
RavadaVDI - Free, easy-to-use & deploy VDI solution