I don't know much about Lisp, but at ILC 2014 [1] there were about 40 participants. In a show of hands, absolutely all of them used Emacs to write their Lisp. I've never seen Emacs unanimity anywhere else.
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I installed Parinfer it on my project: CLJSFiddle[2], and it's not what I'm used to and doesn't have everything but for a novice it is highly usable - check it out!
[1] https://shaunlebron.github.io/parinfer/ [2] http://cljsfiddle.com