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Still figuring out the keybindings for spacemacs... after mastering it, I'll have a look at Clojure & ClojureScript. CU in 2020

Nightcode, Nightlight, Nightcoders are programming environments specifically made for clojure/clojurescript.

Kidding... easy start documentation for it is really needed

You could try Cursive - a plug-in for Inellij Idea. Unfortunately most tutorials suggest emacs, which is not very good for quick start.