It's hard to give a blanket recommendation on a go-to lisp. I would probably recommend Clojure and Racket over CL. The biggest downside of lisps IMO is the lack

It's hard to give a blanket recommendation on a go-to lisp. I would probably recommend Clojure and Racket over CL. The biggest downside of lisps IMO is the lack of well documented, maintained libraries, and CL suffers from it more than most. For some use cases CL is a better choice, and the tooling is excellent, but it's hard to recommend.