Some of my configuration files are online aren’t they? Raku is one of the most interesting, if not the most. I’m not an expert but it pretty much has every language construct (e.g promises) plus exotic stuff. The exotic operators are strangely intuitive (and “hyped”).

my @bin = 1..3;
@bin>>++;
say @bin;

I use it for quick CLIs with the multi dispatch CLI feature. The logo is a butterfly (or maybe it’s a raccoon).