The late great Vernor Vinge explored this in A Fire Upon The Deep. One of the characters is/was in a former life a programmer-archeologist. The idea being that so many thousands of years in the future every relevant program has already been written, so his job was to comb the archives for the right mix of codes and integrate them, rather than right something new.
“So we've got this CNC controller written in Rust from 2036, and, ah, here is a GUI for something like that written in late 90's Visual Basic 6… Just combine those and…”
“So uhm, you do know what you are doing, right?”
“Sir! I am a programmer-acheologist! Oh this is fascinating… Hold on, I must unearth and preserve this beauty of a BAT-file before we can go any further.”
