Read how to format Lisp code for your postings: [formatting code](https://www.reddit.com/r/Common_Lisp/comments/a4przy/how_to_post_formatted_lisp_code_with_the_new/)

**A subreddit for Common Lisp**.

**Other Common Lisp related subreddits**:

* [/r/sbcl](http://www.reddit.com/r/sbcl)
* [/r/lisp](http://www.reddit.com/r/lisp)
* [/r/lisp_ja](http://www.reddit.com/r/lisp_ja) (Japanese)

Influenced:

* [/r/dylanlang](https://www.reddit.com/r/dylanlang)
* [/r/Julia](https://www.reddit.com/r/Julia)

**Events**

* [Lisp Meetings Calendar](http://planet.lisp.org/meetings/)
* [12th European Lisp Symposium, 1-2 April 2019, Genova, Italy](https://european-lisp-symposium.org/2019/index.html)
* [11th European Lisp Symposium, 16-17 April 2018, Centro Cultural Cortijo de Miraflores, Marbella, Spain](https://european-lisp-symposium.org/2018/index.html)
* [10th European Lisp Symposium, 3-4 April 2017, Vrije Universiteit Brussel, Belgium](http://www.european-lisp-symposium.org/2017/index.html)
* [9th European Lisp Symposium, 9-10 May 2016, AGH University of Science and Technology, Kraków, Poland](http://www.european-lisp-symposium.org/2016/index.html)
* [International Lisp Conference, August 14-17, 2014, Montreal, Canada](http://international-lisp-conference.org/)

**Common Lisp Language References**

* [Common Lisp Hyperspec](http://www.lispworks.com/documentation/HyperSpec/Front/Contents.htm)
* [Common Lisp Spec (PDF)](https://franz.com/support/documentation/cl-ansi-standard-draft-w-sidebar.pdf)
* [Common Lisp Spec Clarifications & Errata](https://www.cliki.net/ANSI%20Clarifications%20and%20Errata)
* [Common Lisp Object System Meta-Object Protocol](http://mop.lisp.se/www.alu.org/mop/)
* [Common Lisp Quick Reference](http://clqr.boundp.org)


**Documentation Search**

* [Quickref](http://quickref.common-lisp.net)
* [Quickdocs Library Search](http://quickdocs.org/) 
* [L1sp redirect service](http://l1sp.org/html/)

**Tools**

* [Quicklisp](http://www.quicklisp.org/) (Libraries)
* [SLIME](http://common-lisp.net/project/slime/) (GNU Emacs IDE for Common Lisp)

**Tutorials/FAQ/Help**

* [articulate-common-lisp, how to write Common Lisp today](http://articulate-lisp.com)
* [Steve Losh: A Road to Common Lisp](http://stevelosh.com/blog/2018/08/a-road-to-common-lisp/)
* [Zach Beane: Where to get help with Common Lisp](http://xach.livejournal.com/325276.html)
* [Lisp Style Guide Norvig/Pitman](http://www.cs.northwestern.edu/academics/courses/325/readings/luv-slides.pdf) (PDF)
* [Nikodemus' CL FAQ](http://random-state.net/files/nikodemus-cl-faq.html)

**Useful Lisp resources**:

* [Planet Lisp](http://planet.lisp.org/)
* [LispForum](http://www.lispforum.com/viewforum.php?f=2)
* [Cliki](http://www.cliki.net/index)
* [Common-Lisp.net](http://common-lisp.net/)
* [lisp-lang.org](http://lisp-lang.org)
* [comp.lang.lisp](http://groups.google.com/forum/#!forum/comp.lang.lisp)
* [Common Lisp Professionals Mailing List](https://mailman.common-lisp.net/listinfo/pro)
* [Lisp Jobs](http://lispjobs.wordpress.com)
* [Common Lisp, Wikipedia](https://en.wikipedia.org/wiki/Common_Lisp)
* [Association of Lisp Users](http://www.alu.org/alu/home)
* [Common Lisp questions Stackoverflow](http://stackoverflow.com/questions/tagged/common-lisp)
* [Rosetta Code, Common Lisp](http://rosettacode.org/wiki/Category:Common_Lisp)
* [#lisp Twitter](https://twitter.com/search?q=%23lisp)
* [ECL Quarterly](https://common-lisp.net/project/ecl/tag/quarterly.html)
* [Freenode IRC logs #lisp](http://ccl.clozure.com/irc-logs/lisp/)

**History**

* [Bibliography](http://ftp.math.utah.edu/pub/tex/bib/common-lisp.html)
* [CMU Common Lisp Repository](https://www.cs.cmu.edu/Groups/AI/lang/lisp/0.html)
* [Computer History Museum](http://www.softwarepreservation.org/projects/LISP/common_lisp_family/)
* [Lisp FAQ for comp.lang.lisp](http://jcsu.jesus.cam.ac.uk/~csr21/lispfaq.html)
* [Mailing lists](http://ml.cddddr.org)

**Free Lisp Books / Papers**

* [Common Lisp: A Gentle Introduction to Symbolic Computation](http://www.cs.cmu.edu/~dst/LispBook/)
* [Practical Common Lisp](http://www.gigamonkeys.com/book/)
* [On Lisp](http://www.paulgraham.com/onlisp.html)
* [Common Lisp The Language, 2nd Edition](http://www.cs.cmu.edu/Groups/AI/html/cltl/cltl2.html) (Pre ANSI Common Lisp)
* [Paradigms of Artificial Intelligence Programming: Case Studies in Common Lisp](https://github.com/norvig/paip-lisp)
* [COMMON LISP: An Interactive Approach](https://www.cse.buffalo.edu/%7Eshapiro/Commonlisp/)
* [The Common Lisp Cookbook](https://lispcookbook.github.io/cl-cookbook/)

**Other Books / Papers**

* [ANSI Common Lisp](http://www.paulgraham.com/acl.html)
* [The Common Lisp Condition System](https://www.apress.com/us/book/9781484261330)
* [Common Lisp Recipes](http://weitz.de/cl-recipes/)
* [Land of Lisp](http://landoflisp.com)
* [Let over Lambda](http://letoverlambda.com)
* [Lisp, 3rd Edition](http://people.csail.mit.edu/phw/Books/)
* [Object-Oriented Programming in Common Lisp: A Programmer's Guide to CLOS](https://www.pearsonhighered.com/program/Keene-Object-Oriented-Programming-in-Common-Lisp-A-Programmer-s-Guide-to-CLOS/PGM262224.html)
* [The Art of the Metaobject Protocol](https://mitpress.mit.edu/books/art-metaobject-protocol)

**Common Lisp implementations** (Open Source/Free Software)

* [ABCL](http://common-lisp.net/project/armedbear/) (for JVM)
* [CCL](http://ccl.clozure.com/)
* [CLISP](http://www.clisp.org/) , [CLISP@Gitlab](https://gitlab.com/gnu-clisp)
* [CMUCL](https://gitlab.common-lisp.net/cmucl/cmucl)
* [ECL](https://common-lisp.net/project/ecl/)
* [GCL](http://www.gnu.org/software/gcl/)
* [SBCL](http://www.sbcl.org/)

**Common Lisp implementations** (Commercial/Proprietary)

* [Allegro CL](http://www.franz.com/products/allegro-common-lisp/)
* [LispWorks](http://www.lispworks.com/)
* [mocl](https://wukix.com/mocl) for OSX, iOS and Android
* [Open Genera](http://www.symbolics-dks.com)
* [Scieneer CL](http://www.scieneer.com/scl/)

**Various other Common Lisp Implementations**

* [Butterfly Common Lisp](https://www.cs.cmu.edu/Groups/AI/lang/lisp/impl/bbn/0.html) (written in Scheme)
* [CLASP](https://github.com/drmeister/clasp) (ECL fork for llvm)
* [Codemist Common Lisp](http://lisp.codemist.co.uk)
* [Corman Lisp](https://github.com/sharplispers/cormanlisp) (MS-Windows)
* [Eclipse Common Lisp](https://github.com/blakemcbride/eclipse-lisp)
* [JSCL](https://github.com/jscl-project/jscl) (Javascript)
* [Mezzano](https://github.com/froggey/Mezzano) (Lisp OS)
* [MKCL](http://common-lisp.net/project/mkcl/) (ECL fork)
* [Parenscript](https://common-lisp.net/project/parenscript/) (CL to Javascript)
* [SICL](https://github.com/robert-strandh/SICL) (modular)
* [Thinlisp](https://github.com/vsedach/Thinlisp-1.1)
* [WCL](http://pgc.com/commonlisp/) (embeddable)
* Xerox Common Lisp

<div class="md">Read how to format Lisp code for your postings: <a href="https://www.reddit.com/r/Common_Lisp/comments/a4przy/how_to_post_formatted_lisp_code_with_the_new/">formatting code</a>

A subreddit for Common Lisp.

Other Common Lisp related subreddits:

<ul>
<li><a href="http://www.reddit.com/r/sbcl">/r/sbcl</a></li>
<li><a href="http://www.reddit.com/r/lisp">/r/lisp</a></li>
<li><a href="http://www.reddit.com/r/lisp_ja">/r/lisp_ja</a> (Japanese)</li>
</ul>

Influenced:

<ul>
<li><a href="https://www.reddit.com/r/dylanlang">/r/dylanlang</a></li>
<li><a href="https://www.reddit.com/r/Julia">/r/Julia</a></li>
</ul>

Events

<ul>
<li><a href="http://planet.lisp.org/meetings/">Lisp Meetings Calendar</a></li>
<li><a href="https://european-lisp-symposium.org/2019/index.html">12th European Lisp Symposium, 1-2 April 2019, Genova, Italy</a></li>
<li><a href="https://european-lisp-symposium.org/2018/index.html">11th European Lisp Symposium, 16-17 April 2018, Centro Cultural Cortijo de Miraflores, Marbella, Spain</a></li>
<li><a href="http://www.european-lisp-symposium.org/2017/index.html">10th European Lisp Symposium, 3-4 April 2017, Vrije Universiteit Brussel, Belgium</a></li>
<li><a href="http://www.european-lisp-symposium.org/2016/index.html">9th European Lisp Symposium, 9-10 May 2016, AGH University of Science and Technology, Kraków, Poland</a></li>
<li><a href="http://international-lisp-conference.org/">International Lisp Conference, August 14-17, 2014, Montreal, Canada</a></li>
</ul>

Common Lisp Language References

<ul>
<li><a href="http://www.lispworks.com/documentation/HyperSpec/Front/Contents.htm">Common Lisp Hyperspec</a></li>
<li><a href="https://franz.com/support/documentation/cl-ansi-standard-draft-w-sidebar.pdf">Common Lisp Spec (PDF)</a></li>
<li><a href="https://www.cliki.net/ANSI%20Clarifications%20and%20Errata">Common Lisp Spec Clarifications &amp; Errata</a></li>
<li><a href="http://mop.lisp.se/www.alu.org/mop/">Common Lisp Object System Meta-Object Protocol</a></li>
<li><a href="http://clqr.boundp.org">Common Lisp Quick Reference</a></li>
</ul>

Documentation Search

<ul>
<li><a href="http://quickref.common-lisp.net">Quickref</a></li>
<li><a href="http://quickdocs.org/">Quickdocs Library Search</a> </li>
<li><a href="http://l1sp.org/html/">L1sp redirect service</a></li>
</ul>

Tools

<ul>
<li><a href="http://www.quicklisp.org/">Quicklisp</a> (Libraries)</li>
<li><a href="http://common-lisp.net/project/slime/">SLIME</a> (GNU Emacs IDE for Common Lisp)</li>
</ul>

Tutorials/FAQ/Help

<ul>
<li><a href="http://articulate-lisp.com">articulate-common-lisp, how to write Common Lisp today</a></li>
<li><a href="http://stevelosh.com/blog/2018/08/a-road-to-common-lisp/">Steve Losh: A Road to Common Lisp</a></li>
<li><a href="http://xach.livejournal.com/325276.html">Zach Beane: Where to get help with Common Lisp</a></li>
<li><a href="http://www.cs.northwestern.edu/academics/courses/325/readings/luv-slides.pdf">Lisp Style Guide Norvig/Pitman</a> (PDF)</li>
<li><a href="http://random-state.net/files/nikodemus-cl-faq.html">Nikodemus&#39; CL FAQ</a></li>
</ul>

Useful Lisp resources:

<ul>
<li><a href="http://planet.lisp.org/">Planet Lisp</a></li>
<li><a href="http://www.lispforum.com/viewforum.php?f=2">LispForum</a></li>
<li><a href="http://www.cliki.net/index">Cliki</a></li>
<li><a href="http://common-lisp.net/">Common-Lisp.net</a></li>
<li><a href="http://lisp-lang.org">lisp-lang.org</a></li>
<li><a href="http://groups.google.com/forum/#!forum/comp.lang.lisp">comp.lang.lisp</a></li>
<li><a href="https://mailman.common-lisp.net/listinfo/pro">Common Lisp Professionals Mailing List</a></li>
<li><a href="http://lispjobs.wordpress.com">Lisp Jobs</a></li>
<li><a href="https://en.wikipedia.org/wiki/Common_Lisp">Common Lisp, Wikipedia</a></li>
<li><a href="http://www.alu.org/alu/home">Association of Lisp Users</a></li>
<li><a href="http://stackoverflow.com/questions/tagged/common-lisp">Common Lisp questions Stackoverflow</a></li>
<li><a href="http://rosettacode.org/wiki/Category:Common_Lisp">Rosetta Code, Common Lisp</a></li>
<li><a href="https://twitter.com/search?q=%23lisp">#lisp Twitter</a></li>
<li><a href="https://common-lisp.net/project/ecl/tag/quarterly.html">ECL Quarterly</a></li>
<li><a href="http://ccl.clozure.com/irc-logs/lisp/">Freenode IRC logs #lisp</a></li>
</ul>

History

<ul>
<li><a href="http://ftp.math.utah.edu/pub/tex/bib/common-lisp.html">Bibliography</a></li>
<li><a href="https://www.cs.cmu.edu/Groups/AI/lang/lisp/0.html">CMU Common Lisp Repository</a></li>
<li><a href="http://www.softwarepreservation.org/projects/LISP/common_lisp_family/">Computer History Museum</a></li>
<li><a href="http://jcsu.jesus.cam.ac.uk/%7Ecsr21/lispfaq.html">Lisp FAQ for comp.lang.lisp</a></li>
<li><a href="http://ml.cddddr.org">Mailing lists</a></li>
</ul>

Free Lisp Books / Papers

<ul>
<li><a href="http://www.cs.cmu.edu/%7Edst/LispBook/">Common Lisp: A Gentle Introduction to Symbolic Computation</a></li>
<li><a href="http://www.gigamonkeys.com/book/">Practical Common Lisp</a></li>
<li><a href="http://www.paulgraham.com/onlisp.html">On Lisp</a></li>
<li><a href="http://www.cs.cmu.edu/Groups/AI/html/cltl/cltl2.html">Common Lisp The Language, 2nd Edition</a> (Pre ANSI Common Lisp)</li>
<li><a href="https://github.com/norvig/paip-lisp">Paradigms of Artificial Intelligence Programming: Case Studies in Common Lisp</a></li>
<li><a href="https://www.cse.buffalo.edu/%7Eshapiro/Commonlisp/">COMMON LISP: An Interactive Approach</a></li>
<li><a href="https://lispcookbook.github.io/cl-cookbook/">The Common Lisp Cookbook</a></li>
</ul>

Other Books / Papers

<ul>
<li><a href="http://www.paulgraham.com/acl.html">ANSI Common Lisp</a></li>
<li><a href="https://www.apress.com/us/book/9781484261330">The Common Lisp Condition System</a></li>
<li><a href="http://weitz.de/cl-recipes/">Common Lisp Recipes</a></li>
<li><a href="http://landoflisp.com">Land of Lisp</a></li>
<li><a href="http://letoverlambda.com">Let over Lambda</a></li>
<li><a href="http://people.csail.mit.edu/phw/Books/">Lisp, 3rd Edition</a></li>
<li><a href="https://www.pearsonhighered.com/program/Keene-Object-Oriented-Programming-in-Common-Lisp-A-Programmer-s-Guide-to-CLOS/PGM262224.html">Object-Oriented Programming in Common Lisp: A Programmer&#39;s Guide to CLOS</a></li>
<li><a href="https://mitpress.mit.edu/books/art-metaobject-protocol">The Art of the Metaobject Protocol</a></li>
</ul>

Common Lisp implementations (Open Source/Free Software)

<ul>
<li><a href="http://common-lisp.net/project/armedbear/">ABCL</a> (for JVM)</li>
<li><a href="http://ccl.clozure.com/">CCL</a></li>
<li><a href="http://www.clisp.org/">CLISP</a> , <a href="https://gitlab.com/gnu-clisp">CLISP@Gitlab</a></li>
<li><a href="https://gitlab.common-lisp.net/cmucl/cmucl">CMUCL</a></li>
<li><a href="https://common-lisp.net/project/ecl/">ECL</a></li>
<li><a href="http://www.gnu.org/software/gcl/">GCL</a></li>
<li><a href="http://www.sbcl.org/">SBCL</a></li>
</ul>

Common Lisp implementations (Commercial/Proprietary)

<ul>
<li><a href="http://www.franz.com/products/allegro-common-lisp/">Allegro CL</a></li>
<li><a href="http://www.lispworks.com/">LispWorks</a></li>
<li><a href="https://wukix.com/mocl">mocl</a> for OSX, iOS and Android</li>
<li><a href="http://www.symbolics-dks.com">Open Genera</a></li>
<li><a href="http://www.scieneer.com/scl/">Scieneer CL</a></li>
</ul>

Various other Common Lisp Implementations

<ul>
<li><a href="https://www.cs.cmu.edu/Groups/AI/lang/lisp/impl/bbn/0.html">Butterfly Common Lisp</a> (written in Scheme)</li>
<li><a href="https://github.com/drmeister/clasp">CLASP</a> (ECL fork for llvm)</li>
<li><a href="http://lisp.codemist.co.uk">Codemist Common Lisp</a></li>
<li><a href="https://github.com/sharplispers/cormanlisp">Corman Lisp</a> (MS-Windows)</li>
<li><a href="https://github.com/blakemcbride/eclipse-lisp">Eclipse Common Lisp</a></li>
<li><a href="https://github.com/jscl-project/jscl">JSCL</a> (Javascript)</li>
<li><a href="https://github.com/froggey/Mezzano">Mezzano</a> (Lisp OS)</li>
<li><a href="http://common-lisp.net/project/mkcl/">MKCL</a> (ECL fork)</li>
<li><a href="https://common-lisp.net/project/parenscript/">Parenscript</a> (CL to Javascript)</li>
<li><a href="https://github.com/robert-strandh/SICL">SICL</a> (modular)</li>
<li><a href="https://github.com/vsedach/Thinlisp-1.1">Thinlisp</a></li>
<li><a href="http://pgc.com/commonlisp/">WCL</a> (embeddable)</li>
<li>Xerox Common Lisp</li>
</ul>
</div>

t5_2qi41

Common Lisp is one of the main Lisp dialects. Developed from 1981 onwards it is still in use today. Major Common Lisp implementations are SBCL, ECL, ABCL, Allegro CL, LispWorks. 

This subreddit is for Common Lisp developers and its topic is: Software development with Common Lisp.

<div class="md">Common Lisp is one of the main Lisp dialects. Developed from 1981 onwards it is still in use today. Major Common Lisp implementations are SBCL, ECL, ABCL, Allegro CL, LispWorks. 

This subreddit is for Common Lisp developers and its topic is: Software development with Common Lisp.
</div>

Read how to format Lisp code for your postings: [formatting code](https://www.reddit.com/r/Common_Lisp/comments/a4przy/how_to_post_formatted_lisp_code_with_the_new/)

<div class="md">Read how to format Lisp code for your postings: <a href="https://www.reddit.com/r/Common_Lisp/comments/a4przy/how_to_post_formatted_lisp_code_with_the_new/">formatting code</a>
</div>