itch.io - An online game marketplace and community.
RetroArch - RetroArch is a frontend for emulators, game engines and media players.
GOG.com - DRM-free game store, selling both new and old titles. No clients required.
BSNES - bsnes is a Super Nintendo (SNES) emulator focused on performance, features, and ease of use.
Ubisoft Club - Ubisoft Club app enables you to get updates about your favorite games timely.
ZSNES - ZSNES is a Super Nintendo Entertainment System emulator.