A cross platform, customizable graphical frontend
BizHawk is a multi-system emulator written in C#
DeSmuME is a Nintendo DS emulator
An iOS & tvOS Frontend for Multiple Emulators
Retro emulation for the ODROID-GO and other ESP32 devices
A web-based frontend for RetroArch
RetroArch is a frontend for emulators, game engines and media players.
Fast PlayStation 1 emulator for x86-64/AArch32/AArch64
Python front end for MAME that can run in Linux, Windows, and MacOS
JavaQemu was my GUI Front End project for QEMU, written in Java.
Shell script to set up a Raspberry Pi/Odroid/PC
Frontend for arcade and console emulators like mame and nestopia.
MAME Frontend
Scriptable frontend for media applications.