Hello r/gamedev, I made this free little tool to test out controller inputs, since there's hardly a way to test them out without running a game or some other unrelated software :
Gamepad tester - Apps on Google Play
Controller Isn't Working in the Game – Parsec
GamePad Tester – Gamepad Tester
Xbox Game Controller Tester Guide - You might not suck at NHL!
ToS Gamepad Tester on Steam
Gamepad Tester - Apps on Google Play
ToS Gamepad Tester on Steam
Game Controller Tester 1.7.26.0 (Windows) - Download & Review
Gamepad tester || Check every button on your Controller works perfectly or not || Joysticks Tester - YouTube
Gamepad tester - Apps on Google Play
Game Controller Tester by POW Games
How to Calibrate Your Gaming Controller in Windows 10
Game Controller Tester on the Mac App Store
Microsoft Apps
ToS Gamepad Tester - Testing Upgrade Pack on Steam
I made a Controller (Gamepad) tester for fun. : r/robloxgamedev