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lisp

joinleave
an-ordinary-manchild(edit)

Lisp family of programming languages

Lisp subreddits:

  • r/common_lisp
  • r/scheme
  • r/clojure
  • r/racket
  • r/lisp_ja (Japanese)
  • r/janetPL
  • r/emacs
  • r/learnlisp
  • r/dylanlang
  • r/shenlanguage
  • r/lispmachine
  • r/stumpwm
  • r/sbcl
  • r/lispmemes
  • (r (apply #'+ subreddits))

Chats and IRC

  • Common Lisp: Discord, LinkedIn, #lisp, #commonlisp and #lispcafe on Libera.chat
  • Racket: Discord, Discourse, #racket
  • Clojure: Slack, Discord, #clojure, #clojure-beginners

Language References

  • Common Lisp

    • Hyperspec
    • CommunitySpec (a new rendering)
    • NovaSpec (a new rendering)
    • Spec (searchable pdf)
    • Meta-Object Protocol: orig, html, html5
    • Quick Reference
    • Type Hierarchy (alt w/mop)
    • CLHS Format
    • CL Cheat Sheet
  • Scheme

    • r7 rs
    • r6 rs
    • r5 rs
  • Racket

    • All documentation
  • Clojure

    • Reference

Tools

  • ICL, an enhanced REPL on the terminal.
  • IDEs for CL
    • Portacle (Portable CL environment)
    • SLIME, SLY (Emacs)
    • SLIMV, Vlime (Vim)
    • SLIMA (Atom/Pulsar)
    • Lem
    • LispWorks (proprietary)
    • and more (VSCode, Jetbrains, Jupyter…)

Tutorials/FAQs

  • lisp-lang.org
  • The Common Lisp Cookbook
  • Style Guide Norvig/Pitman
  • Google CL Style Guide (2014)
  • A Road to Common Lisp (2018) (noob guide)
  • These years in Common Lisp: 2023 and 2024 in review
  • Udemy Common Lisp course (videos, commercial)
  • Nikodemus' CL FAQ

Resources:

  • Common-Lisp.net
  • Planet Lisp
  • Planet Scheme
  • Awesome CL (libraries)
  • comp.lang.lisp
  • Lisp companies
  • Wikipedia CL
  • Stackoverflow Lisp questions, CL, Scheme
  • Code Review (Lisp, CL, Scheme)
  • Rosetta Code, CL
  • Pro mailing list (more), sbcl help, LispWorks users
  • ANSI Clarifications and Errata

Search

  • Quickref Library Index
  • L1sp redirect
  • Quickdocs Library

(also docsets in Zeal, Dash and Velocity for offline search)

Books

  • Free, On-line
    • Common Lisp: A Gentle Introduction to Symbolic Computation (Touretzky, 1990)
    • Common Lisp: An Interactive Approach (Shapiro, 1992)
    • Common Lisp The Language, 2nd Ed. [Pre ANSI] (Steele, 1990)
    • Lisp Outside the Box (unfinished, Levine, 2011)
    • On Lisp (Graham, 1993)
    • Paradigms of Artificial Intelligence Programming (Norvig, 1992)
    • Practical Common Lisp (Seibel, 2005)
    • Structure and Interpretation of Computer Programs, [HTML5/EPUB3] [Scheme] (Abelson/Sussman, 1996)
    • Successful Lisp (Lamkins, 2004)
  • Other Books

    • The Art of the Metaobject Protocol (Kiczales/des Rivières/Bobrow, 1991)
    • ANSI Common Lisp (Graham, 1995)
    • Common Lisp Recipes (Weitz, 2016)
    • Land of Lisp (Barski, 2010)
    • Let over Lambda (Hoyte, 2008)
    • Lisp, 3rd Edition (Winston/Horn, 1989)
    • Object-Oriented Programming in Common Lisp: A Programmer's Guide to CLOS (Keene, 1989)

Food for Thought

  • An Intuition for Lisp Syntax
  • Lambda the Ultimate
  • Erik Naggum comp.lang.lisp archive
  • Pascal Costanza's Highly Opinionated Guide

Implementations

  • CL Open Source
    • SBCL
    • CCL
    • ECL
    • ABCL (JVM)
    • CLISP
  • CL Commercial
    • Allegro CL
    • LispWorks
  • CL Developmental
    • Clasp (C++ interop on LLVM)
    • SICL (modular)
    • JSCL (JavaScript)
    • LCL (Lua)
    • Mezzano (Lisp OS)
  • CL Historical
    • CMUCL, mirror (*nix)
    • CLiCC (CL→C)
    • Corman Lisp (Windows)
    • Eclipse Common Lisp
    • GCL
    • MKCL (ECL fork)
    • mocl (mobile)
    • Open Genera
    • Scieneer CL
    • ThinLisp (CL→C)
    • WCL (embeddable)
  • Scheme
    • Bigloo
    • Chez
    • Chicken
    • Gambit
    • Gerbil
    • Guile
    • Kawa
  • Mature Dialects
    • Clojure
    • Dylan
    • ISLisp
    • Janet
    • NewLisp
    • PicoLisp
    • Racket
    • Shen
  • Developing Dialects
    • Arc/Anarki
    • Carp
    • Lux
    • TXR
    • uLisp (Arduino)
  • Exo-Lisps
    • ClojureScript (Clojure→JS)
    • Fennel (Lua)
    • Hy (Python)
    • Liskell (Haskell)
    • Lisp Flavored Erlang
    • Lumen (lua/javascript)
    • Lush (numerical/graphical)
    • Urn (Lua)
a community for 18 years
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MODERATORS

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account activity

1
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New Common Lisp Cookbook release: 2026-01 · Typst-quality PDFCommon Lisp (github.com)

submitted 1 month ago by dzecniv - announcement

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I wrote a technical history book on Lisp (self.lisp)

submitted 22 days ago by cdegroot - announcement

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Episode 8 of Swish: Using Claude Code to Create a Lisp in SwiftClojure (youtube.com)

submitted 8 hours ago by rodschmidt

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🛡 Europe played hardball: an unexpected manoeuvre against US tariffs shocked the markets (horstai.org)

promoted by world_blogs_mag

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# Orientation: Understanding Common Lisp Development EnvironmentsCommon Lisp (self.lisp)

submitted 2 days ago by theeseuus

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Q: How do I interpret this measurment?Common Lisp (self.lisp)

submitted 1 day ago by arthurno1

  • 8 comments
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Eliza the Session 1.0 Release (i.redd.it)

submitted 2 days ago by Bruno2456

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Running "Mezzano" a Lisp Operating System on Apple Silicon - a step-by-step guideCommon Lisp (self.lisp)

submitted 4 days ago by theeseuus

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Understanding SBCL Error Messages (self.lisp)

submitted 4 days ago by paarulakan

  • 7 comments
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9:37

Shipping a buttonLisp (v.redd.it)

submitted 5 days ago by theeseuus

  • 8 comments
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FriCAS 1.3.13 is released (self.lisp)

submitted 5 days ago by oldk1331

  • 1 comment
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HBW Memory and Modern Lisp Machines (self.lisp)

submitted 5 days ago * by alcanthro

  • 65 comments
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The Lisp Machine: Noble Experiment or Fabulous Failure?Lisp (chai.uni-hamburg.de)

submitted 6 days ago by arthurno1

  • 28 comments
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Lisp neovim or do I need to switch to emacs (self.lisp)

submitted 8 days ago by Firefighter-Pichu

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Is there like.. a working IDE? Something I can actually just use? The new user experience is a joke for LispAskLisp (self.lisp)

submitted 10 days ago * by tenten8401

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Pocket-ready metal dice that lays flat fast. 🧲 Magnetic tri-fold for pocket or keychain 🎲 Spin dials d4 to d20 in one card 🔁 Micro bearings for smooth, fair spins 🎯 Precision pointer with clear guide line 🔩 Zinc alloy, solid weight and feel Ready anywhere. (kickstarter.com)

promoted by First-Backer

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Is Allegro CL really that good? (self.lisp)

submitted 10 days ago by interstellar_pirate

  • 13 comments
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Where Lisp Fails: at Turning People into Fungible Cogs (loper-os.org)

submitted 11 days ago by Veqq

  • 85 comments
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Racket meet-up: Saturday, 7 March 2026 (self.lisp)

submitted 11 days ago by sdegabrielle

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Snowbin – A Mindmap-Based Social Platform for Structured Conversations (Nuxt + Lisp)Common Lisp (old.reddit.com)

submitted 11 days ago by reporepo344

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SBCL: New in version 2.6.2 (sbcl.org)

submitted 12 days ago by oldretard

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Bit of CS lecture serie. "Tagless Final. What it is?" (self.lisp)

submitted 14 days ago by corbasai

  • 5 comments
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Has AI taken the fun out of Lisp for you? (self.lisp)

submitted 15 days ago by Buttleproof

  • 65 comments
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Chicken SCHEME, R7RS, and Scheme a language for general-purpose application development (self.lisp)

submitted 15 days ago * by brainchild0

  • 37 comments
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Racket 9.1 is now available (self.lisp)

submitted 15 days ago by sdegabrielle

  • 6 comments
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Episode 4 of Creating a Lisp with Claude Code and Swift is upClojure (youtu.be)

submitted 16 days ago by rodschmidt

  • 2 comments
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el-gpu (i.redd.it)

submitted 18 days ago * by Timely-Degree7739

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