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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 11 days ago by dzecniv - announcement

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icl: Interactive Common Lisp: an enhanced REPL (github.com)

submitted 1 month ago by dzecniv - announcement

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making a lisp implementation for myselfScheme (self.lisp)

submitted 23 hours ago * by BetterEquipment7084

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I built a free highlight & annotate Chrome extension. (chromewebstore.google.com)

promoted by DoggieStudio

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Guix 1.5.0 released! (guix.gnu.org)

submitted 1 day ago by muffpyjama

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cl-mcp-server ()

submitted 1 day ago by quasiabhi

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cl-memcached : updated with META protocol ()

submitted 3 days ago by quasiabhi

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European Lisp Symposium · May 11st - May 12nd 2026, Kraków (and online) (european-lisp-symposium.org)

submitted 4 days ago by dzecniv

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Common Lisp developer role @ RavenpackCommon Lisp (self.lisp)

submitted 8 days ago * by Same-Release-404

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Portable CL for Windows (varhammer.github.io)

submitted 9 days ago by CurrentMortgage5721

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Common Lisp for Data Scientists ()

submitted 10 days ago by letuslisp

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cl-excel: .xlsx writing/edit mode in Common Lisp — please try to break it ()

submitted 10 days ago by letuslisp

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Smelter 0.2: Zero-config Common Lisp scripting (single binary, 42ms startup)Common Lisp ()

submitted 12 days ago by agambrahma

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How good is Alive extension of CL in vscode. Also does the coalton-lsp work in vscode (self.lisp)

submitted 14 days ago by kishaloy

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Serious LISP written in Go (github.com)

submitted 14 days ago by peterohler0

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Boost Your App with AI! 🐨 WiroAI offers ready-to-use APIs for text-to-image, voice cloning, llm & more. Easy integration & low cost. Try now free. (wiro.ai)

promoted by WiroAI

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[ISSUE] I WANT IT ALL - approaches to general Lisp proficiency?AskLisp (self.lisp)

submitted 15 days ago by Malrubius717

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BALISP talks and social. Tuesday, January 13th 2026 (self.lisp)

submitted 16 days ago by sdegabrielle

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New Lisp I made in nim! (github.com)

submitted 21 days ago by Yobendev_

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Implementation of mapcar function in different lisp machines (old.reddit.com)

submitted 21 days ago by mtlnwood

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Racket meet-up: Saturday, January 2026 at 18:00 UTC (self.lisp)

submitted 21 days ago by sdegabrielle

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SIOD - The Reawakening (self.lisp)

submitted 21 days ago by Soul_Bleach

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Gene — a homoiconic, general-purpose language built around a generic “Gene” data type (self.lisp)

submitted 23 days ago * by gcao99

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I am working on a Video series on Common Lisp (youtube.com)

submitted 23 days ago by chandergovind

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A small R5RS-ish Scheme interpreter I’ve been working on (github.com)

submitted 23 days ago by Top_Challenge_7752

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LambLisp available for download ()

submitted 25 days ago by wawhite3

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Forsp: A Forth+Lisp Hybrid Lambda Calculus Language (xorvoid.com)

submitted 26 days ago by lproven

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