Playfire - Playfire is the global community for gamers.
LaunchBox - LaunchBox is a portable, box-art-based games database and launcher for DOSBox, emulators, arcade cabinets, and PC Games. Download it 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.
Playnite - Source code generated using layoutit.com
Gamefly - Leasing computer games used to be a foundation of computer game society.
Photon Game Manager - Photon is an advanced game launcher that is designed to make your game collection look amazing.