Playfire!

Games get more fun with the Google Play Games app. Compete with friends, track your achievements and pick up wherever you left off, on any of your devices. As you master more games across Google Play, show off your skills in your all-new Game Profile. And whether you love puzzles, racing, sports or action games, you can explore and choose from thousands of great games from right within the app. Play the world, anywhere in the world, all from one place.

GameRanger is a free download for Mac and PC that lets you play over 600 games and demos online with friends and opponents worldwide. GameRanger offers features like profiles, friends lists, instant messaging, in-game voice communication, and competitive ladders/rankings/ratings.

Backloggery helps gamers keep track of unplayed and unfinished games in their collection. Add all the games you own to the list, and track how far you have progressed towards beating them. This will help keep you from buying many new games before having played the ones you already own, and thus make the most out of your existing collection. Or it can simply tell you how much you're getting out of the games you buy, and how your collection and playing habits compare to others.

Game Center brings social gaming to OS X and iOS apps. With the Game Center app, you can play against friends and unknown foes anywhere in the world. Invite someone to join, then get a game going. Or go up against people you don't know, from anywhere in the world, in a multiplayer game.

player.me provides gamers with a central web presence where all of their fans can go to connect with them across the web. Gamers can build their network by connecting with gamers, market themselves to grow their fanbase and take part in Player.me exclusive events. They can also join groups which could be simple fan groups, clans or for gaming-unrelated topics.

GameTracker is your one-stop social network for gamers with game server stats, website plugins, and game server banners. From current scores to historical player data and worldwide game server ranking, Game Tracker records detailed statistics on how you, your clan, and your gameserver fare against the competition.Windows and Mac OS users can download GT Lite Client.

Access to a large, and growing, library of purchasable games as well as hundreds of free-to-play games for GameFly subscribers under "Unlimited PC Play"

Moonlight (formerly known as Limelight) is an open source implementation of NVIDIA's GameStream protocol. We implemented the protocol used by the NVIDIA Shield and wrote a set of 3rd party clients.Moonlight allows you to stream your collection of games from your GameStream-compatible PC to any supported device and play them remotely. Moonlight is perfect for gameplay on the go without sacrificing the graphics quality of your gaming computer.

THE POWER OF CLOUD GAMING

GamingAnywhere is an open-source clouding gaming platform. In addition to its openness, we design GamingAnywhere for high extensibility, portability, and reconfigurability. GamingAnywhere currently supports Windows and Linux, and can be ported to other OS's including OS X and Android. Table 1 gives the latest supported OS's and versions. Our performance study demonstrates that GamingAnywhere achieves high responsiveness and video quality yet imposes low network traffic. The value of GamingAnywhere, however, is from its openness: researchers, service providers, and gamers may customize GamingAnywhere to meet their needs. This is not possible in other closed and proprietary cloud gaming platforms. »

Vapor is a client for installing video games made with the game engine LÖVE.

Gamerate is social based database of computer, electronic and board games. Players can track, organize and share their gaming history, library of bought and finished games, and also share their ratings and reviews. Every action is connected with a date, what with number of totally played hours, spent money and finished games creates player’s lifetime history.