LTSP - The Linux Terminal Server Project adds thin-client support to Linux servers.
Parsec - Streams games locally or over the internet
Thinstation - Thinstation is a basic and small, yet very powerful, open source thin client operating system...
Moonlight-Stream.org - Moonlight allows you to stream your collection of games from your GameStream-compatible PC to any...
Nakama - Nakama is an open-source distributed social and realtime server for games and apps.
Shadow - Transform any device into a supercharged gaming machine.