MAME is a multi-purpose emulation framework
BizHawk is a multi-system emulator written in C#
Dolphin is a GameCube / Wii emulator
Linux distribution that transforms a computers into game consoles
A shield for the Arduino Mega that can back up video game cartridges
Zoomable user interface (ZUI) with file manager, file viewers and more
The ultimate cataloguer
Retro video game emulation for macOS
NES emulator written in Go
Mesen is a cross-platform (Windows & Linux) NES/Famicom emulator
Asphyre is a cross-platform framework for Delphi and FreePascal.
Easy to Use Free & Lightweight Home/Media/Gaming Linux Desktop
E-Sport Drivers for the Razer Nostromo
Scriptable frontend for media applications.
1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor
Modified Pokemon games for emulators or devices.