Hofstadter has had some grad students since then in this research program, though I don't have the links handy. There are several code repos at https://github.c

Hofstadter has had some grad students since then in this research program, though I don't have the links handy. There are several code repos at https://github.com/fargonauts/ https://github.com/fargonauts/ though, plus another Copycat implementation I ran across: https://github.com/jalanb/co.py.cat https://github.com/jalanb/co.py.cat