Comment by CliffyA

I've been working on a programing language to read and write Excel spreadsheets. Or more accurately I've been writing a custom programming language and porting my library to it, so I can transpile it out to other languages.

Currently it is being transpiled to C++ and C#

https://github.com/NumberDuck/NumberDuck-CPlusPlus

https://github.com/NumberDuck/NumberDuck-CSharp