Fully-functional open-source server implementation for Diablo 3
MAME is a multi-purpose emulation framework
Xbox 360 Emulator Research Project
Emulator of the 8-bit computers Sharp MZ-800 / MZ-700 / MZ-1500
Original Xbox Emulator for Windows, macOS, and Linux
Play! - PlayStation2 Emulator
Experimental C# Playstation Emulator
A gameboy emulator that only plays Pokemon Blue, in ~50 lines of c++.
Write your own virtual machine for the LC-3 computer!
DeSmuME is a Nintendo DS emulator
Atari 2600, C64, Python, 3D engines and rock'n roll
DOSBox fork for embedded devices
E-UAE Amiga emulation PowerPC JIT compiling implementation
A multithreaded, test-driven electronics emulator for .net 4.0.
A virtual ethernet adapter