Lemmi's Ergo Steam Controller Steam Controller (2015) 11 minutes
combined playtime An ergonomic layout that has several duplicate keybinds for easy access.
Mouse Inputs Keyboard Inputs Gamepad Inputs
Simple Controls Xbox One about 18 hours
combined playtime Mapped what I could find buttons for, works pretty well. :)
Mouse Inputs Keyboard Inputs Gamepad Inputs
delRhode's minimal mouse Generic Controller 8 days
combined playtime Just what you need.