LaunchBox - LaunchBox is a portable, box-art-based games database and launcher for DOSBox, emulators, arcade cabinets, and PC Games. Download it free!
itch.io - An online game marketplace and community.
Playnite - Source code generated using layoutit.com
GOG.com - DRM-free game store, selling both new and old titles. No clients required.
Photon Game Manager - Photon is an advanced game launcher that is designed to make your game collection look amazing.
Origin - Origin is your new digital playground. It’s where you go to find the best that EA has to offer.