Mupen64Plus - N64 emulator and plugins for Linux, Mac OSX, FreeBSD, and Windows
DBGL - DBGL is a free, open source, multiple frontends for DOSBox.
Project64 - Project64 is a Nintendo 64 emulator for the Windows platform.
RetriX - RetriX is an emulator front end for UWP, on all the hardware platforms it supports: it serves the...
1964 - 1964 is a Nintendo 64 emulator for Microsoft Windows, written in C and released as free software.
Terminal Launch V - For those that want a clean, simple fast emu frontend.