@dekkzz76 It is a proper programming language and has a JIT since v3.0 (so performance is also pretty good).
It even has a semi-clone of #CLOS called #GOOPS built-in, for more goodness.
Unfortunately differences in Scheme's semantics means it can't have the #CommonLisp Condition system without either breaking compatibility with the Scheme standard or adding a lot of complexity & maintenance work.
It's one of the larger Scheme implementations.
Anything in particular you want to ask?
Speaking of GOOPS, I just tried the Guile GI hello world application, and now it works! 👍
(@luis_felipe eagerly dusts an archived application project, disregarding the fact that he doesn't have time for new projects).