Playfire - Playfire is the global community for gamers.

Mitch - The unofficial mobile app for itch.io

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.

GameDatum.com - A platfrom of free online games. A list of all the available online free games from various producers online.

Gamefly - Leasing computer games used to be a foundation of computer game society.

ScienceGameCenter - The goal of the Science Game Center is to demonstrate to teachers, scientists, museums, and parents the myriad ways games can be used to improve education in math and science.