xllify is here!
Excel is the original rapid application development tool. People do unholy things to get the job done with no code, or perhaps with just a smattering of VBA. These solutions can be brilliant in the moment but, long term, tend to end up brittle and hard to extend. Over the years there have been many approaches for extending Excel beyond formula soup and VBA. There is the excellent Excel-DNA, PyXLL, Microsoft’s own Office....