Computer analysis

I have a question. Who wrote the code for the computer analysis?
I understand it’s based on already known games, but do you also contract one of the chess A.I. For their codes to integrate with your own?

@jamestgp github.com/niklasf/fishnet

"Stockfish is open source (GPL license). That means you can read the code, modify it, contribute back, and even use it in your own projects."

Ok thanks!