LaunchBox - LaunchBox is a portable, box-art-based games database and launcher for DOSBox, emulators, arcade cabinets, and PC Games. Download it free!
HyperSpin - HyperSpin is an animated arcade frontend for Windows for use on Home Arcade Machines.
GamersGate - Buy and download games instantly for PC and Mac.
RetroArch - RetroArch is a frontend for emulators, game engines and media players.
OfflineList - A widely-used, multi-platform ROM manager.
GameRoom - Make your video-games library shine!