Lisp languages are niche, but frequently used as seen in the great projects mentioned in this thread. Since 1982, I have been employed about 20% of my time usin

Lisp languages are niche, but frequently used as seen in the great projects mentioned in this thread. Since 1982, I have been employed about 20% of my time using mostly Common Lisp and for a few years Clojure. Racket is a great language and system for learning and having fun, so, have fun!