My guess is that this is really a measure of how much abuse the language will tolerate. C# probably lets you get away with a bunch of things (like checking for nulls) that F# requires.

I frequently use Kate as a backup as well. Do you configure it in anyway?

It’s basically the nix system but maintained by the Gnu folks. That’s about the extent of my knowledge honestly.

Theoretically there is Gnu Guix, which uses Guile… I have no clue what support for it is like though.