Crayon Syntax Highlighter free WordPress plugin

A Syntax Highlighter built in PHP and jQuery that supports customizable languages and themes. It can highlight from a URL, or WordPress post text. Crayon makes it easy to manage Language files and define custom language elements with regular expressions. It also supports some neat features like: Integrated Theme Editor! Tag Editor in both Visual & HTML editors Toggled plain code Toggled line numbers Copy/paste code Open code in a new window (popup) Line wrapping Code expanding Minimizing bbPress 2 support Converting legacy code in blog posts/comments to

Remote request caching
Mixed Language Highlighting in a single Crayon
Mini Tags like [php][/php]
Inline Tags floating in sentences
Crayons in comments
`Backquotes` become 
 tag support, option to use setting-value in the class attribute
Valid HTML 5 markup
Visual & HTML editor compatible
Mobile/touchscreen device detection
Mouse event interaction (showing plain code on double click, toolbar on mouseover)
Tab sizes
Code title
Toggled toolbar
Retina buttons
Striped lines
Line marking (for important lines)
Line ranges (showing only parts of the code)
Starting line number (default is 1)
File extension detection
Live Preview in settings
Dimensions, margins, alignment, font-size, line-height, float
Extensive error logging
Links
Beta Releases
Themes Demo
GitHub Project
Contributions
There are many ways you can help!
Make a Theme and share
Add support for your favourite Language
Write a post about your pastel experiences and share
Donate to the project
Supported Languages
Languages are defined in language files using Regular Expressions to capture elements.
See the Crayon Language File Specification to learn how to make your own.
Default Language (one size fits all, highlights generic code)
C1 (thanks to Oparin Pavel)
ABAP
ActionScript
AmigaDOS (thanks to amigalog.com)
Apache
AppleScript
Arduino
Assembly (x86)
AutoIt
C
C#
C++
Clojure (thanks to )
CoffeeScript (thanks to Dai Akatsuka)
CSS
Delphi/Pascal (thanks to Chris McClenny)
Delphi Web Script (thanks to smartmobilestudio)
Diff (thanks to omniavin)
Erlang (thanks to Daniel)
Fabric Engine KL (thanks to Andrew Hazelden)
Go
Haskell
HTML (XML/XHTML)
INI
Lisp
Lua
Maya MEL (thanks to Andrew Hazelden)
Microsoft Registry (thanks to techexplored.com)
MIVA Script
Monkey (thanks to Devolonter)
MS-DOS (thanks to http://www.amigalog.com/?p=334)
MySQL (thanks to AssemblySys.com and ansas-meyer.de)
Java
JavaScript
Objective-C
Papyrus
Perl
PHP
PL/SQL
PostgreSQL (thanks to Bitorchestra)
PowerShell
Python
R
Ruby
Rust (thanks to Stibbons)
Scheme (thanks to Harry75369)
Shell (Unix)
Swift (thanks to weyhan)
Transact-SQL
TeX
Vim
Visual Basic
Visual Basic .NET (thanks to Kevin Gardthausen)
YAML
ZSH (thanks to Stibbons)
Others will be added when requested
International Languages
Arabic (thanks to Djennad Hamza)
Chinese Simplified (thanks to Dezhi Liu & Jash Yin)
Chinese Traditional (thanks to Arefly)
Dutch (thanks to Robin Roelofsen & Chilion Snoek)
Finnish (thanks to vahalan)
French (thanks to Victor Felder)
German (thanks to Stephan Knauß)
Italian (thanks to Federico Bellucci)
Japanese (thanks to @west_323)
Korean (thanks to dokenzy)
Lithuanian (thanks to Vincent G)
Norwegian (thanks to Jackalworks)
Persian (thanks to MahdiY)
Polish (thanks to Bartosz Romanowski, Robert Korulczyk)
Portuguese (thanks to Adonai S. Canez)
Russian (thanks to Minimus & Di_Skyer)
Slovak (thanks to Branco, webhostgeeks/)
Slovenian (thanks to Jan Sušnik, http://jodlajodla.si/)
Spanish (thanks to Hermann Bravo)
Tamil (thanks to KKS21199)
Turkish (thanks to Hakan)
Ukrainian (thanks to Michael Yunat)
Help from translators at improving/adding to this list greatly appreciated!
Articles
These are helpful for discovering new features.
Internal Post Management in Crayon
Converting Legacy Tags to 
Crayon with bbPress
Line Ranges in Crayon
Crayon Tag Editor
Mixed Language Highlighting in Crayon
Mini Tags And Plain Tags In Crayon
Inline Tags
Enqueuing Themes and Fonts in Crayon
The Press
A handful of articles from others written about Crayon, thanks guys!
Crayon Syntax Highlighter Plugin Theme Color Previews
Using Crayon Syntax Highlighter WordPress plugin to post code snippets on your blog
How to post source code on WordPress
Syntax highlighter switched to Crayon
5 Best Syntax Highlighter Plugins for WordPress
How To Post Source Code In WordPress
Top 5 Syntax Highlighter WordPress Plugins
Crayon Syntax Highlighter � Plugin
State of syntax highlighter support in bbPress 2
The ultimate plugin for displaying code in WordPress (French)
Finally!, A WordPress code syntax highlighting that works
Crayon Syntax Highlighter (and its studly author)
Add Code To Your WordPress Posts With Crayon Syntax Highlighter
15 Best Syntax Highlighter WordPress Plugins
Displaying Code in WordPress with Crayon
ABAP Syntax Highlighting in WordPress (German)
Crayon Syntax Highlighter plugin
Crayon Syntax Highlighter (Russian)
Crayon Syntax Highlighter (also Russian)
How To Post Source Code
http://wp-best-practices.asdf573189.com/home/good-plugins/crayon-syntax-highlighter/
http://www.wplover.com/2155/crayon-syntax-highlighter-plugin/
http://www.htmlandphp.com/scripts/crayon-syntax-highlighter.html
Donations
Thanks to all those who donate to the project:
Joe Sabate, Spain
Kai Chen, Canada
Chen Kaiyuan, China
Kamarul Musa, Malaysia
WallyWare, Inc., (https://pi-plates.com), USA
Stéphane Rochat, (http://stephanerochat.ch), Switzerland
Brennan Hale-Matthews, Canada
Robert Giczewski, (http://www.lazydaemon.de/), Germany
Hoke Media, (http://hoke.media/), USA
Matthew Hood, Australia
Brian Williams, USA
Christian Martens, (http://insgesamt.net/), Germany
Nilesh Govindrajan, (http://nileshgr.com/), India
ZengChun Yang, China
Alan Kaplan, (http://www.akaplan.com/blog), USA
Christopher Yarbrough, (http://chrisyarbrough.com/), Germany
Johann Weiher, (http://codequartett.de/), Germany
Samuel Deering, Australia
Billiard Greg, (http://billiardgreg.com/), USA
Performance Simulations, (http://www.performancesimulations.com/), USA
Lindsay Ross, (http://gravelrash.com), New Zealand
Ruperto Coronado Muñoz, Mexico
Stefan Onderka, (http://www.onderka.com), Germany
Peter Kellner, (http://peterkellner.net), USA
Open Hardware Design Group LLC, (http://opensourcehardwaregroup.com/), USA
Helen McManus, (http://invisiblepixels.org/InvisibleWords/), Netherlands
Thomas Fee, UK
Julie Knowles, (http://knowlesfamily.com/), USA
Peter Kriegel, (http://www.powershell-group.eu/), Germany
Geo My WP, (http://geomywp.com), USA
Raffael Vogler, Germany
Erdal Cicek, Turkey
Cloud-VPS, Poland
Łukasz Bereza, Poland
Laurence Scotford, UK
Goretity Árpád László, (http://h2co3.org/blog), Hungary
AdsProvider, USA
Alicia Ramirez, (http://aliciaramirez.com/), Canada
William Eisert, USA
Inappix Development, (http://www.inappix.com/), Switzerland
Stephen Sant, (http://thesantfamily.net/), UK
David Rodriguez, (http://davidarodriguez.com/), USA
Chris Moore, (http://moorecreativeideas.com/), USA
Sohail Ahmed, (http://sohail.io.com/), USA
Vanessa Garcia Espin, Spain
Samad Malik, (http://samadmalik.com/), USA
Wabbit Wanch Design, (http://www.wabbitwanch.com/), Canada
Inopox Ltd, (http://inopox.com/), Cyprus
Kho Minh Vi, (http://khominhvi.com/), UK
Ivan Churakov, Russia
Carla Macías González, Mexico
Saulius Stonys, Lithuania
Konstantin Sabel, Germany
Luigi Massa, (http://bwlab.it/), Italy
Anthony Steiner, (http://steinerd.com/), USA
Alexander Harvey, (http://alexharvey.eu/), UK
Minhazul Haque Shawon, Cyprus
Raam Dev, (http://raamdev.com/), USA
Scot Ranney, (http://scotsscripts.com/), USA
Nico Hartung, (http://www.loggn.de/), Germany
Joseph DeVenuta, USA
Iván Prego García, Spain
Johannes Luijten, (http://www.tweaking4all.com/, http://www.weethet.nl/), USA
Jack Fruh, (http://basementjack.com/), USA
Ross Barbieri, USA
Will, Simple Phishing Toolkit (http://www.sptoolkit.com/), USA
Tricia Aanderud, USA
Tarek Sakr, (http://centrivision.com/), USA
Jeff Benshetler, (http://branchpoint.net/), USA
Oldrich Strachota, (http://www.strachota.net/), Czech Republic
Dividend Ninja, (http://dividendninja.com/), Canada
Chris Wiegman, (http://bit51.com/), USA
Sven Meier, (http://www.codesix.net/), Germany
Christy Wiggins, (http://www.jinxyisms.com/), USA
eSnipe, Inc. (http://esnipe.com/), USA (again!)
Aliseya Wright, (http://blog.xoxothemes.com/), USA
Jeremy Worboys (http://complexcompulsions.com/), Australia
Steve McGough, Spider Creations, LLC. (http://spidercreations.net/), USA
eSnipe, Inc. (http://esnipe.com/), USA
Gerald Drouillard (http://www.drouillard.biz/), USA
Greg Pettit (http://blog.monkey-house.ca/), Canada
Waimanu Solutions (http://daveblog.waimanu.web44.net/), USA
Andrew McDonnell (http://blog.oldcomputerjunk.net/), Australia
Perry Bonewell (http://pointatthemoon.co.uk/), United Kingdom
Nick Weisser (http://www.openstream.ch/), Switzerland