VJoy Virtual Joystick is a software application and virtual driver system that allows keyboard input to be translated to joystick input.
ControlMK Alternatives
ControlMK is described as 'Utility which uses DirectInput controllers to emulate mouse, keyboard, and other types of commands' and is a Key Mapping tool in the system & hardware category. There are more than 10 alternatives to ControlMK for a variety of platforms, including Windows, Linux, Mac, Android and iPhone apps. The best ControlMK alternative is AntiMicroX, which is both free and Open Source. Other great apps like ControlMK are Xpadder, JoyToKey, X360ce and reWASD.
