Parsec - Streams games locally or over the internet
itch.io - An online game marketplace and community.
Moonlight-Stream.org - Moonlight allows you to stream your collection of games from your GameStream-compatible PC to any...
GOG.com - DRM-free game store, selling both new and old titles. No clients required.
LiquidSky - LiquidSky gives you a high performance gaming PC in the cloud.
GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.