flexVDI - The Open Full-Stack VDI Solution
QVD Virtual Desktop - QVD Virtual Desktop provides an alternative to desktop and applications virtualisation under Linux environment; VDI secure, flexible and affordable
RavadaVDI - Free, easy-to-use & deploy VDI solution
Inuvika OVD Enterprise - A cost-effective alternative to Citrix or VMware Horizon for virtualized apps and desktops. Requires less infrastructure and fewer Microsoft licenses. Lower your TCO by up to 50%. Easy admin and great user experience.
LTSP - The Linux Terminal Server Project adds thin-client support to Linux servers.
Evolve IP Virtual Desktop - Evolve IP has been enabling businesses to deploy both cloud computing and cloud communications services on a single, unified platform.