Gamepadla software
In addition to the tests themselves, Gamepadla is a developer of unique software that allows you to learn more about the capabilities and characteristics of your gamepad.
Gamepadla tester
A software tester polling rate latency and jitter. It works on the principle of XInputTest, but the latency indicators here give only synthetic results.
GPDL latency tester
The most accurate latency measurement using a GPDL device that allows you to get the real latency of the gamepad.
Stick Analyzer
A specialized open-source utility for analyzing and evaluating joystick stick performance and resolution.
JoyT - Joystick Tester
A program for visualizing joystick movement. Detects errors in the stick, its polling, circle shape, and movement coordinates.