AntiMicroX is a fork of the original AntiMicro, a popular open source application designed to help you map a keyboard to a gamepad.
Sadly, the original project is no longer maintained so AntiMicroX came along to sort that out and continue the project on. It has a new GitHub repository home and they've just recently put up a small release on September 9.
Why use it? Plenty of games have no gamepad support, or they have too many issues to make it a good experience. That's where this comes in. Set up your hardware exactly how you want. You can also use it to control your desktop too. Currently, it's only supporting Linux as they need developers to help on the Windows side of things.
This release isn't a big one as it's mostly cleaning up loose ends like sorting out their naming conventions, with them settling on it being written as 'AntiMicroX'. They have also added instructions for making Flatpak packages, there's improvements to their Debian and Ubuntu packaging, plus they're also now doing AppImage for their releases with this being the first.
With it under active development, you can continue to expect new features and bug fixes which is fantastic for such a useful open source application.
Check it out on GitHub.