EmuNations

Fceux is an open-source Nintendo Entertainment System and Family Computer Disk System emulator. It's a merger of various forks of FCE Ultra. While not being cycle-accurate, it's has quite an accurate emulation and offers extensive tools for debugging, rom-hacking...

Super ZSNES is a modern, from-scratch Super Nintendo emulator developed by the original ZSNES creators, built around a GPU-driven architecture rather than traditional CPU-focused. It emphasizes enhanced visuals, audio accuracy and a “Super Enhancement Engine”...

Azahar is an open-source 3DS emulator based on Citra. It was created from the merging of PabloMK7's Citra fork and Lime3DS project, both of which emerged shortly after Citra was taken down. The goal of this project is to be the de-facto platform for future development...