RetroArch - RetroArch is a frontend for emulators, game engines and media players.
Bulk Image Downloader - With Bulk Image Downloader you can download full sized images from almost any web gallery.
Mednafen - Mednafen is a portable, utilizing OpenGL and SDL, argument(command-line)-driven multi-system...
Vov Picture Downloader - Download pictures from websites.
OpenEmu - Console and Arcade video game emulator for macOS.
Extreme Picture Finder - Extreme Picture Finder is a powerful batch image downloader.