Racket & Rhombus programming languages. Racket - the Language-Oriented Programming Language, Rhombus - easy to use and uniquely customizable.

Boston, MA
# RacketCon 2026: call for presentations Calling racketeers new or experienced, we want to hear from you. Are you unsure or just new to presenting? let us know - con-organizers@racket-lang.org - and we will do our best to help you. racket.discourse.group/t/rac…
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25 years of Community, 25 years of Research, 25 years of FP, 25 years of Awesome, 25 years of Racket. To all the users and contributors out there, thanks for being part of our story. blog.racket-lang.org/2020/05…
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Racket v7.0 has been released! Highlights include: Substantial internal changes towards supporting multiple runtime systems, including a new expander written in Racket Interactive overlays and candlestick charts for plots blog.racket-lang.org/2018/07…
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New Major Release: Racket v8.0 is here! blog.racket-lang.org/2021/02…
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A new blog post, on the progress towards running Racket to Chez Scheme! blog.racket-lang.org/2018/01…
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What was the first programming language you wrote?
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Racket v7.1 has been released! Includes: Types in typed/racket for Immutable and Mutable vectors FreeBSD/aarch64 support and more! blog.racket-lang.org/2018/10…
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Have you noticed my website has a new face? Take a look! :-D racket-lang.org/
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Congratulations to Kathi Fisler and Shriram Krishnamurthi for the SIGPLAN Distinguished Educator Award 2023. @KathiFisler @ShriramKMurthi
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racket-lang.org has a new design! A holiday gift from @mbutterick :)
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Machine Learning Toolkit accompanying 'The Little Learner' by Daniel P. Friedman and Anurag Mendhekar 1/2 #Racket #RacketLang #RacketLanguage #MachineLearning
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Racket 7.7 is here! Hot off the press... blog.racket-lang.org/2020/05…
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Racket is not a programming language, but an entire ecosystem of tools, libraries and languages. When you choose to use Racket you get the full set of tools, libraries and languages for every operating system.
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RacketScript racketscript.org/
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c(a|d)ⁿr By Eutro car, cdr, caaaaddddr, and everything in between. (require cadnr) package: cadnr c(a|d)ⁿr This module extends a number of built-in Racket functions that have obvious arbitrary extensions.
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Racket fork of Chez Scheme merging with mainline Chez 👏​👏👏 See groups.google.com/g/chez-sch… and and github.com/cisco/ChezScheme
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Thank you!
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Rhombus: A New Spin on Macros without All the Parentheses Recording of presentation by Matthew Flatt at SPLASH’23 piped.video/c7S5WPsw_gM?si=ki-P… 2023.splashcon.org/details/s… @splashcon
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DrRacket on RISC-V hardware (STAR64) #RISCV
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Racket is... • a programming language—a dialect of Lisp and a descendant of Scheme; • a family of programming languages—variants of Racket, and more; or • a set of tools—for using a family of programming languages. (1/2)
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Racket v6.11 is out! Now with: refinement types in typed/racket, efficient program contours in DrRacket, and more! blog.racket-lang.org/2017/10…
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“Once functional programming really clicked in my brain, I was like ‘why do it any other way?’” says Williams, who fell in love with functional programming during a college class that used the LISP programming language dialects Scheme and Racket. (Cassidy Williams @cassidoo)
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Racket 7.8 is finally here! blog.racket-lang.org/2020/08… Download - Install - Racket!
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“The goal of the Racket project is to explore this emerging idea of language-oriented programming, or LOP, at two different levels. At the practical level, the goal is to build a programming language that enables language-oriented software design… (1/2)
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Racket v7.9 is finally here with many goodies just for you: blog.racket-lang.org/2020/11… Download it, give it a spin and if you find any issue, please report them in github.com/racket/racket/iss… Enjoy!
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A preprint of the paper *Rhombus: A New Spin on Macros Without All the Parentheses* has been posted
# Rhombus: A New Spin on Macros Without All the Parentheses “Rhombus is a new language that is built on Racket. It offers the same kind of language extensibility as Racket itself, but using traditional (infix) notation.”1/2
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Racket 7.6 now with smooth scrolling, improved dark mode and production-ready ChezScheme backend. Give it a ride! More information on the blog: blog.racket-lang.org/2020/02…
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The Racket community welcomes new learners! If you are a learner the Racket documentation has a ‘Getting Started’ guide for both those new to programming and experienced developers: (link in next tweet)
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Racket 8.6 is now available from download.racket-lang.org/
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Congratulations to the authors! The paper "Levin Tree Search with Context Models" has received a Distinguished Paper Award 2 at IJCAI 2023. It is good to see Racket being used in AI+machine learning research! Links to paper and package you can try at racket.discourse.group/t/lev…
Levin Tree Search with Context Models “The source code for the machine learning research paper "Levin Tree Search with Context Models" (LTS+CM) to be published in IJCAI 2023 is now available as a package” #AI #MachineLearning #RacketLanguage #RacketLang
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Racket v6.12 is out! Now with a #:result keyword for/fold, ~undo patterns for syntax/parse, and dependency testing for raco test! blog.racket-lang.org/2018/01…
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Racket v8.1 is here with lots of goodies - time to upgrade! blog.racket-lang.org/2021/05…
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Racket v8.4 is out! Take a look at blog.racket-lang.org/2022/02… and download it!
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Tutorial: Zero to Sixty in Racket by Ben Greenman Racket is excellent for incrementally growing scripts into full-fledged programs. This post steps through the evolution of one small program and highlights the Racket tools that enable incremental advances. prl.ccs.neu.edu/blog/2016/08…
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A new logo too! :)
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“Racket is a language for building languages; DrRacket is an IDE for building IDEs for those custom languages.” - @ShriramKMurthi
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The Racket Summer School 2018 has been announced! Want to learn about language-oriented programming and making languages in Racket? Join us July 9-13 in Salt Lake City! summer-school.racket-lang.or…
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# Rhombus: A New Spin on Macros Without All the Parentheses “Rhombus is a new language that is built on Racket. It offers the same kind of language extensibility as Racket itself, but using traditional (infix) notation.”1/2
The full list of OOPSLA 2023 papers is now online: tinyurl.com/mr6bazjz Congrats! 👏 A big thank you to all the authors who submitted to OOPSLA and to the PC members for their efforts reviewing!
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Zuo: A Tiny Racket for Scripting You should use Racket to write scripts. But what if you need something much smaller than Racket for some reason?
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Racket 7.2 has been released! Notable changes include: Collapsible contracts, which can avoid redundant contract wrapping. Quickscript has been added to the main distribution. hhttps://blog.racket-lang.org/2019/01/racket-v7-2.html
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An now our keynote: Dan Friedman & Will Byrd: The Reasoned Racketeers! piped.video/watch?v=et0C4ije…
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You know RacketCS (Racket + Chez backend) is production-ready since Racket 7.6 right? But you want more: plots, bars, benchmarks results, colours... We got you covered! blog.racket-lang.org/2020/02…
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"I have also written this book with working programmers in mind[…]I want this book to speak to them, gently drawing them away from the hustle and bustle of daily programming into a space of reflection and thought. - Shriram Krishnamurthi, Brown University plai.org
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Racket v6.8 is out, with more bytecode optimizations, macro stepper CLI, and faster type checking for typed/racket! blog.racket-lang.org/2017/01…
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Racket version 8.9 is now available!
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Racket //the Language-Oriented Programming Language// version 8.11 is now available from download.racket-lang.org See racket.discourse.group/t/rac… for the release announcement and highlights. Thank you to the many people who contributed to this release! Feedback Welcome
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If you could have a wish granted, what would you like to see next in Racket?
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“Robby Findler's excellent PADL keynote on modern macro systems, which explains Racket macros for the uninitiated: piped.video/YMUCpx6vhZM” - @ShriramKMurthi on mastodon.social/@shriramk/11…
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Racket v6.9 is out! v6.9 fixes a security vulnerability in the sandbox, provides new refactoring tools, and more! blog.racket-lang.org/2017/04…
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Racket v6.7 is out, with file globbing, better documentation seaching, and graphical android application support! blog.racket-lang.org/2016/10…
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Racket School starts today with Language Oriented Programming, Macro Expansion, and Language Extensions via Macros. To all the participants, have fun and enjoy! #racketschool school.racket-lang.org/
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The new stickers are here! :D
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Racket 7.3 has been released! This release includes: Color map support for plot renderers Faster JSON Parsing blog.racket-lang.org/2019/05…
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Racket v6.6 is out! Now with a Macro Profiler, Intersection types, smaller compiled files for Typed Racket and more blog.racket-lang.org/2016/07…
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It might not be the Racket you remember! People sometimes confuse the **Racket Language** with the **How to Design Programs Languages** they used in their ‘intro to programming’ class with DrRacket or DrScheme. 🧵1/4
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Racket v6.10 is out! Now with #:authentic structs, and better types for hash tables in typed/racket! :D blog.racket-lang.org/2017/07…
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Rhombus-in-the-rough: A 2D RPG implemented in the Rhombus Racket dialect 1o6

ALT Animated gif of character moving around map including well, house, npc and monster (bat)

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Sebastian Ullrich (KIT) will be giving his talk ‘Metaprograms and Proofs: Macros in Lean 4’ in a few minutes. See it at bit.ly/RacketConDay1 #RacketCon #racketlang
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“Automating the Design Recipe” by Hazel Levine (Indiana University) & Sam Tobin-Hochstadt (Indiana University) at #ICFP22 piped.video/watch?v=VFr_YFJI… @icfp_conference @samth @sonicisdead
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Don't forget to add to your diaries RacketCon 2020. It is happening really soon and you can join from the comfort of your own couch. con.racket-lang.org/
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A new blog, on domain-specific type checkers in Racket! blog.racket-lang.org/2017/04…
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I’m excited
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# Lazy Racket by Eli Barzilay `#lang lazy` > Lazy Racket is available as both a language level and a module that can be used to write lazy code. To write lazy code, simply use lazy as your module’s language: ``` #lang lazy ... lazy code here... ``` docs.racket-lang.org/lazy 1/2
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Happy New Year to all of you! Have a great 2020 full of Racket! #happynewyear2020
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Do you like L-Systems (en.wikipedia.org/wiki/L-syst…) or drawing pretty images of plants? There's now a #lang lindenmayer! plt.eecs.northwestern.edu/pk…
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The Racket Guide by Matthew Flatt, Robert Bruce Findler, and PLT docs.racket-lang.org/guide/
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Time to grab a new Racket. Version 8.2 is here: blog.racket-lang.org/2021/07…
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Racket on YouTube - over 150 talks piped.video/@racketlang
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Why Functional Programming Matters in CS Education Keynote by Marco T Morazan piped.video/NdvErByEZro @icfp_conference
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Twelfth RacketCon Brown University Providence, Rhode Island October 28-30, 2022 con.racket-lang.org
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Gregor Kiczales is teaching Systematic Program Design (using DrRacket student languages) on edX starting June 2: edx.org/course/systematic-pr…
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Consider yourself invited to my birthday party! Lets get together and talk about me, shall we?
Pleased to announce that @racketlang Con 2020, celebrating the 25TH ANNIVERSARY OF RACKET, will be at @BrownCSDept in Providence, RI, Oct 17-18 (Sat-Sun), 2020. Please help spread the word!
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I have a favourite from that list - but then again, I might be biased! :-D
Replying to @JaafarTrull
#EmacsLisp has been on my radar for a while. Just too many LISPs to choose from (I count #Clojure and @racketlang as two of my top 5 favorite languages though)
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(fourth #RacketCon) talk videos are now available on Youtube! piped.video/playlist?list=PL…
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Everyone: very pleased to inform you that we have LIVE STREAMING for RacketCon. The live webcasts can be accessed via the following short links: Saturday 10/29/22 bit.ly/RacketConDay1 Sunday 10/30/22 bit.ly/RacketConDay2
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Racket 7.5 release is out! Grab it while it's hot. Thanks to all involved that helped put out another great Racket release. blog.racket-lang.org/2019/11…
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A new blogpost giving a status update for Racket-on-Chez! blog.racket-lang.org/2019/01…
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The Racket Community is serious about its love of parenthetical syntax❣️ We have Racket, Typed Racket, R5RS, R6RS, SICP & SICP picture language, 5 HTDP languages, the EOPL language, Lazy Racket, Parenlog, Parenthetical Datalog, Rosette, Rash, FrTime, Sketching & Zuo.

ALT Meme gif from 90's game: 'All your base are belong to us.'

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Racket v8.3 is here! Grab it while it's hot: blog.racket-lang.org/2021/11…
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Racket v6.3 is out! This release comes with a new macro expander, GTK3 support, Redex improvements, and more. blog.racket-lang.org/2015/11…
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Racket is on many platforms; look at the following tweets for some links
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An interactive french dictionary written with @elastic, Racket, and @rustlang, written by @octplane! le-tresor-de-la-langue.fr/
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RacketCon 2022 is on! con.racket-lang.org See you October 28-30, 2022 at the Department of Computer Science @BrownUniversity, Providence, RI, USA (thank you to @ShriramKMurthi )
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This year #RacketCon will happen virtually! All interested parties are invited. Please fill in your preferences here: forms.gle/cYNNY9XhmEoUBBe19
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(Thread) Racket has a fantastic range of books to suit everyone: beginners, computer scientists or software engineers. Here are three you can find at racket-lang.org/books.html
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Congratulation to the @OCamlLang team for the 2023 SIGPLAN programming languages software award! sigplan.org/Awards/Software/
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#PasteRack: An evaluating pastebin for Racket pasterack.org/ Quick! Try it now: pasterack.org/pastes/8953
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“Hey! You got your Haskell in my Racket!” “No, you got your Racket in my Haskell!” :D
To start off the new year, I finally got around to writing a blog post about my experimental Rascal language: lexi-lambda.github.io/blog/2…
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Racket 7.4 is here... now with RacketCS! Go get it - you know you want it. blog.racket-lang.org/2019/08…
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The upcoming Racket v6.3 has a new macro expander using sets of scopes. Matthew Flatt wrote a POPL16 paper about it: cs.utah.edu/plt/scope-sets/
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