UCR: Universal Control Remapper - With today’s release of the Universal Control Remapper, users can now customize their keyboards, mice, and other peripherals for most platforms with a few clicks of a button.
JoyToKey - JoyToKey enables users to control the keyboard using any USB compatible controller (Dualshock 3, Xbox 360, etc.)
Keyboarding Master - Product webpage for Keyboarding Master
Xpadder - Xpadder simulates the keyboard and mouse using your gamepad What does Xpadder let you do?
SignalRGB - Control and sync your favorite RGB devices from any brand.
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.