winflector - With this application you can create your own terminal services.
LTSP - The Linux Terminal Server Project adds thin-client support to Linux servers.
flexVDI - The Open Full-Stack VDI Solution
Thinstation - Thinstation is a basic and small, yet very powerful, open source thin client operating system...
Parsec - Streams games locally or over the internet
linuxmuster.net - linuxmuster.net is a comprehensive complete solution for the operation of school IT infrastructure.