puNES
Qt-based Nintendo Entertaiment System emulator and NSF/NSF2/NSFe Music
puNES is a highly accurate NES/Famicom emulator written in C++, with a focus on compatibility, cycle-accuracy, and faithful rendering of classic Nintendo hardware. It supports a wide range of mappers, has a robust set of debugging tools, and provides accurate audio and video emulation down to the scanline and pixel level. puNES is designed to run on multiple operating systems and includes a highly customizable interface with support for shaders, rewind, netplay, and recording features. It's well-suited for both casual players and preservationists seeking an authentic NES experience.