G2A - Enjoy the vast offer of Steam, Origin, Uplay, Battle.net, GOG, PSN and XBOX CD-Keys at the most attractive prices on the market. Don’t overpay – buy cheap on G2A.COM!
LaunchBox - LaunchBox is a portable, box-art-based games database and launcher for DOSBox, emulators, arcade cabinets, and PC Games. Download it free!
GOG.com - DRM-free game store, selling both new and old titles. No clients required.
RetroArch - RetroArch is a frontend for emulators, game engines and media players.
GameFly Digital Download Client - GameFly, the #1 video game rental service. Rent and buy PS4, PS3, PS Vita, PS2, PSP, Xbox One, Xbox 360, Xbox, Nintendo Switch, GameCube, 3DS, DS, Wii U, Wii, GBA used video games, plus DVD and Blu-ray movies.
Batocera.linux - Batocera.linux is an open-source and completely free retro-gaming distribution that can be copied to a USB stick or an SD card with the aim of turning any computer/nano computer into a gaming console during a game or permanently.