The real problem is that there's not really a term for what we do. Package Manager (or Software Manager)? Seems like a Windows analog to Apt. Googling windows

The real problem is that there's not really a term for what we do. Package Manager (or Software Manager)? Seems like a Windows analog to Apt. Googling windows package manager leads me to something called Npackd that looks similar to your tool (though it is quite ugly/complex looking) at at glance.