I personally either write windows software in VB.NET or Windows Presentation Foundation, with the WPF you will find the majority of Windows software is programmed in this environment. Other Windows languages we use C++ and when needed Python.
It was used to display the listings of all Mobile Devices in Australia with the specs as well as Sim Card Sizes. It was created for friends because they were always unsure what Sim card went into what phone and since there were so many it was easier to just write something.
Column A - Mobile Phones Column B - Sim card Type Column C - Specs of device e.g. Bluetick, Camera MP, Ram, Speed etc