How is this compared to Emacs? Are all of the extensions cross-compatible? I would love to use Common Lisp for everything.
You can use CL for everything[0] :] As for text editors, there's Lem and LispWorks
https://github.com/CodyReichert/awesome-cl
https://github.com/lem-project/lem/
https://lisp-journey.gitlab.io/blog/discovering-the-lispwork...