As the other commenters have mentioned, Racket Mode is excellent, especially racket-xp-mode: “An optional minor mode that enhances racket-mode to explain and ex

As the other commenters have mentioned, Racket Mode is excellent, especially racket-xp-mode: “An optional minor mode that enhances racket-mode to explain and explore code.” https://www.racket-mode.com/#racket_002dxp_002dmode https://www.racket-mode.com/#racket_002dxp_002dmode The other thing worth mentioning is Racketeers often use their favourite editor, only switching to DrRacket or Racket Mode when they need specific functionality.