KextUpdater
A cross-platform .NET 6 console app which updates your hackintosh's kexts (and which may update OC in future, too).
Installation
Run git clone https://github.com/NotARobot6969/KextUpdater in the directory you want to download KextUpdater in. Move to the newly-created KextUpdater directory, then navigate to the project folder. (cd .\KextUpdater\KextUpdater). Finally, build and run the app (dotnet build && dotnet run).