InputMapper

https://github.com/InputMapper and the very old looking https://inputmapper.com
Allows mapping PlayStation / Xbox controllers to Xinput games in Windows
Last dev activity in 2020, lead dev profile lists Google+, site is full of ads
Appears to have basic macro support
Claims to have output support for Xbox 360, Sony DualShock 4, keyboard/mouse
Does have some components as open source but main app appears to be closed source

InputMapper is a Windows-only software solution to allow treating DualShock 4 / Xbox 360 / Xbox One controllers as an Xinput device for games that only have that support. InputMapper replaced the older DS4Windows project from DSDCS. It does not appear to be in active development and the community appears stagnant. There does not appear to be anything of value left from this project, which appears to have been ad and donation supported and created by one dev most of its life.