Project64 - Project64 is a Nintendo 64 emulator for the Windows platform.
DBGL - DBGL is a free, open source, multiple frontends for DOSBox.
Mupen64Plus - N64 emulator and plugins for Linux, Mac OSX, FreeBSD, and Windows
RetriX - RetriX is an emulator front end for UWP, on all the hardware platforms it supports: it serves the...
RetroArch - RetroArch is a frontend for emulators, game engines and media players.
Terminal Launch V - For those that want a clean, simple fast emu frontend.