Racket

Racket is a general-purpose, multi-paradigm programming language. The Racket language is a modern dialect of Lisp and a descendant of Scheme. It is designed as a platform for programming language design and implementation. In addition to the core Racket language, Racket is also used to refer to the family of programming languages and set of tools supporting development on and with Racket. Racket is also used for scripting, computer science education, and research. Wikipedia

Created Year: 1995
Developed by: Matthias Felleisen
Aliases: DrRacket, DrScheme, PLT Scheme
File extensions: plt, rkt, rktd, rktl, scm, ss

Wikidata: Q1254148

Programming paradigms: language-oriented programmingobject-oriented programmingmetaprogrammingfunctional programmingmodular programmingmulti-paradigm programmingreflective programmingprocedural programming

Language types: procedural programming languagemodular programming languagefunctional programming languageobject-based languagemulti-paradigm programming language

Hello World in Racket

#lang racket
"Hello World"

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Latest data update: 2026-05-04