High Quality Content by WIKIPEDIA articles! Racket has been under active development as a vehicle for programming language research since the mid 1990s, and has accumulated many features over the years. This article describes and demonstrates some of these features. Note that one of Racket`s main design goals is to accommodate creating new languages, both domain-specific languages and completely new languages. Therefore, some of the following examples are in different languages, but they are all implemented in Racket. Please refer to the main article for more information.