RetroArch is a graphical frontend for emulators, game engines, and media players.
RetroArch vs D-Fend Reloaded opinions
It is an emulator and not a frontend, so Retroarch is in the wrong section being recommended here.
D-Fend is a Frontend while RetroArch is an emulator.
LaunchBox was originally built as an attractive frontend to DOSBox, but has since expanded to support both modern PC games and emulated console platforms. LaunchBox aims to be the one-stop shop for gaming on your computer, for both modern and...
LaunchBox vs D-Fend Reloaded opinions
Because it is more feature rich and compatible with recent dosbox versions.