I played with Racket and used to lurk on their mailing lists for many years! I haven't seen a friendlier community than the Racket community anywhere else. DrR

I played with Racket and used to lurk on their mailing lists for many years! I haven't seen a friendlier community than the Racket community anywhere else. DrRacket is a great environment to learn programming and play with various concepts, both for beginners and advanced users alike.