Racket and LispWorks ($). If you want a RAD IDE I recommend you to take a look at Lazarus and Xojo ($). You can try them all and think for yourself. Xojo and

Racket and LispWorks ($). If you want a RAD IDE I recommend you to take a look at Lazarus and Xojo ($). You can try them all and think for yourself. Xojo and LispWorks in particular come with plenty of example apps.