LTSP - The Linux Terminal Server Project adds thin-client support to Linux servers.
Photon Engine - Independent networking engine and multiplayer platform.
Thinstation - Thinstation is a basic and small, yet very powerful, open source thin client operating system...
Unity Multiplayer - Create real-time, networked games.
linuxmuster.net - linuxmuster.net is a comprehensive complete solution for the operation of school IT infrastructure.
PlayFab - PlayFab is a backend platform for games, delivering powerful real-time tools and services for LiveOps.