InputMapper is described as 'DS4 (DualShock 4) input mapper that allows you to connect your PS4 gamepad to windows, wired (USB) or wirelessly (Bluetooth)' and is an app in the gaming software category. There are more than 25 alternatives to InputMapper for a variety of platforms, including Windows, Linux, Android, Mac and iPhone apps. The best InputMapper alternative is AntiMicroX, which is both free and Open Source. Other great apps like InputMapper are Xpadder, DS4Windows by Ryochan7, JoyToKey and PlayStation Accessories.
FreePIE (Programmable Input Emulator) is a C# utility for bridging and emulating input devices. It has applications primarily in video gaming but can also be used for VR interaction, remote control, and other applications.
Rejoystick - A gamepad/joystick translator/keymapper
Rejoystick is a program that maps keypresses on your gamepad/joypad/joystick to keypresses on a keyboard when you are running X. Since it uses SDL to communicate with the gamepad device, it can work on every platform that prov.
