HyperSpin - HyperSpin is an animated arcade frontend for Windows for use on Home Arcade Machines.
GameDatum.com - A platfrom of free online games. A list of all the available online free games from various producers online.
LaunchBox - LaunchBox is a portable, box-art-based games database and launcher for DOSBox, emulators, arcade cabinets, and PC Games. Download it free!
Enjify - Enjify is an online gaming e-store that enables you to buy games for multiple platforms like Nintendo, PlayStation, Xbox, and Steam.
OfflineList - A widely-used, multi-platform ROM manager.
Mitch - The unofficial mobile app for itch.io