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!
RetroArch - RetroArch is a frontend for emulators, game engines and media players.
Green Man Gaming - A digital distributor for video games.
Playnite - Source code generated using layoutit.com
GOG.com - DRM-free game store, selling both new and old titles. No clients required.
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.