Great piece of software that is fairly easy to set up and has always worked flawlessly. However, it requires an Internet connection to continue working, as it regularly searches for 'updates'. - if it can't connect, it won't allow you to use it.
JoyToKey - JoyToKey enables users to control the keyboard using any USB compatible controller (Dualshock 3, Xbox 360, etc.)
DS4Windows - DS4Windows is an open-source gamepad input mapper and virtual emulator designed to use and connect your PlayStation controller (DualShock 3/4 and DualSense 5) to a Windows 10 & 11 PC.
Pinnacle Game Profiler - Pinnacle Game Profiler enables the use of virtually any game controller (gamepad, joystick, etc.) with any PC game. It's preconfigured for most game titles and controllers. Just download and play.
AntiMicro - A tool for mapping keyboard and mouse events to gamepads and joysticks.
Xpadder - Xpadder simulates the keyboard and mouse using your gamepad What does Xpadder let you do?
Better DS3 - Better DS3 is basically an offline driver configuration tool that works as an advanced controller for the PC games.