RetroPC-SIM is an Arduino project to help to understand how pc works
Slows down any given Windows process (written in C#)
Atari 2600, C64, Python, 3D engines and rock'n roll
Windows XP reimplemented on Nintendo DS
Highly portable Gameboy Color emulator
Log and Play Retro Controller Inputs
DirectX 1-11 to OpenGL wrapper
An open source interactive disassembler
ACPU Emulation and Design