Parsec - Streams games locally or over the internet
Moonlight-Stream.org - Moonlight allows you to stream your collection of games from your GameStream-compatible PC to any...
LogMeIn - LogMeIn gives you fast, easy remote access to your PC or Mac from your browser, desktop and mobile...
LiquidSky - LiquidSky gives you a high performance gaming PC in the cloud.
UltraVNC - VNC remote access software, support server and viewer software for on demand remote computer support. Remote desktop support software for remote PC control. Free
StreamMyGame - With close proximities to OnLive, StreamMyGame doesn’t work like it, but it allows users to play whether Windows-based games they have on their systems from anywhere in the world on their Windows as well as on Linux system.