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 :
How to Sync Your PS3 Controller
Direct Input and Game Controller Settings
How to Remap Xbox, PlayStation, and Other Controller Buttons in Steam
Amazon.com: VOYEE Controller Compatible with PS-3 Controller, Wireless Move/Motion Gamepad with Upgraded Joystick, Double Shock Compatible with Play-Station 3 (Black) : Video Games
How to Connect a Playstation 3 Controller to a Mac in MacOS Mojave, High Sierra, OS X El Capitan & Mavericks | OSXDaily
Can you use a PS2 controller with a PS3? If so, how? - Quora
How to Connect Any Console Game Controller to a Windows PC or Mac
Ps3 Controller Stand | Etsy
Dual Controller Charger for xBox One/One S/One X Charging Status Display Screen Station Dock 2 Rechargeable Battery Pack - China xBox Charger and PS4 Charger price | Made-in-China.com
Gamepad Viewer
Reset The Default Display Settings on PS3 - CCM
Bluetooth PS3 gamepad in Python
How to Set Up a PlayStation 3 - Support.com TechSolutions
How to Use PS3 Controllers on PC Through Xinput on Windows 7/8/10 : 9 Steps - Instructables