GamePad Viewer - The Official Controller Display & Tester
Gamepad Test | Controller & Joystick Test with Gamepad Viewer
How to Make an Online Test for Gamepad Controller Using HTML5 Gamepad API - DEV Community
12 Best Mobile Game Controllers (2023): iPhone or Android | WIRED
Amazon.com: ASUSPORACE Wireless Controller for PS4 Slim/Pro/PC, Hall Sensor Trigger Dual Vibration Game PS4 Controller Pro Remote Gamepad Joystick for Playstation 4 Console[1 Pcs Pack] : Video Games
Generic - Forty by HTML5 UP
Gamepad API and Xbox Controller on Mac
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 :
12 Best Mobile Game Controllers (2023): iPhone or Android | WIRED