RMG v0.3.9 is released. Rosalie's Mupen GUI is a free and open-source mupen64plus GUI written in C++. It offers a simple-to-use user interface.

RMG changelog:
Fix updater on windows always installing the desktop icon
Fix updater on windows not re-launching RMG after installation
Fix the speed limiter toggle and speed factor options not working on linux on some systems
Fix the 1080 Snowboarding cheats (thank you Gent)
Add support for moving the toolbar (changes to the docked position are persistent across application runs)
Update GLideN64 and mupen64plus-input-gca

Download: RMG v0.4.0
Source:Here