Between this and things like Guix and Hoot, sometimes I feel like I could find incredible peace and happiness if I just sold all my possessions and moved into the Guile monestary, so to speak.
I really wish folks building these things in Scheme would build them instead in Lisp. Common Lisp is a better language for systems, despite a few design decisions which turn out to have been howling mistakes (the single worst is the default reader upcasing).
As it happens this is also one of the goals of Guile Emacs. Rather than relying on the now-popular cl-lib, it should be possible to use Common Lisp just as you would use Emacs Lisp or Guile (the language) because it would be implemented as part of Guile (the software/compiler tower).