BizHawk is a multi-system emulator written in C#
Cemu is a Wii U emulator
Dolphin is a GameCube / Wii emulator
A web based N64 Emulator
PlayStation 3 emulator and debugger
Emulator for the Game Boy, Game Boy Color, and Game Boy Advance
Community fork of PlayCover
HLE 3DS emulator
A JavaScript NES emulator
Emulator that can run 32-bit Windows programs/games
A cross platform, customizable graphical frontend
Minimal scripts to run the emulator in a container for various systems
An NES emulator in C++
Qt-based Nintendo Entertaiment System emulator and NSF/NSF2/NSFe Music
Python front end for MAME that can run in Linux, Windows, and MacOS
A gameboy emulator that only plays Pokemon Blue, in ~50 lines of c++.
NES emulator written in Go
An Emscripten port of DOSBox
ESP32 Display Controller (VGA, PAL/NTSC Color Composite, SSD1306, ST77
A work-in-progress PlayStation 4 emulator
Game Boy / Game Boy Color Emulator Library
Preview of some basic Android emulation functionality
RetroPC-SIM is an Arduino project to help to understand how pc works
Atari 2600, C64, Python, 3D engines and rock'n roll