Top 5 vigem open source projects

Use Nintendo Switch JoyCons as a virtual Xbox 360 controller in Windows

XB2X: User-mode Windows driver for Xbox OG controllers, supporting both XInput and DirectInput.

XInput/x360ce to ViGEm sample application

Xbox360 controller emulation for Xiaomi Gamepad, with vibration support

Parsec Soda is a custom open-source game streaming app that integrates with Parsec API and is focused in Host experience.