Simple SyntaxHighlighter for WordPress adds Alex Gorbatchev’s JavaScript <a href="http://alexgorbatchev.com/wiki/SyntaxHighlighter" rel="nofollow ugc">SyntaxHighlighter</a> to your blog.
Alex Gorbatchev’s SyntaxHighlighter is a fully functional self-contained code syntax highlighter developed in JavaScript. To get an idea of what SyntaxHighlighter is capable of, have a look at the <a href="http://alexgorbatchev.com/wiki/SyntaxHighlighter:Demo" rel="nofollow ugc">demo page</a>.
The plugin itself only wraps this functionality and provides some basic configuration through the WordPress Admin panel.
Features:
<ul>
<li>Adds code syntax highlighting to blog</li>
<li>Includes syntax brushes for the following languages: ActionScript, BashShell, C/C++, C#, ColdFusion, CSS, Delphi/Pascal, Diff, Erlang, F#, Groovy, Java, JavaFX, JavaScript, Perl, PHP, Plain, PowerShell, Python, Ruby, Scala, SSIS Expressions, SQL, VB.net, and XML/HTML</li>
<li>Syntax brush availablity configurable by admin</li>
<li>Includes CSS Theme support</li>
</ul>

WP-SimpleSyntaxHighlighter

This plugin simply allows you to add and manage Alex Gorbatchev's JavaScript SyntaxHighlighter to your blog.

Mark Seminatore

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Add Verilog Brush to SyntaxHighlighter Evolved

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WP-SimpleSyntaxHighlighter vs Add Verilog Brush to SyntaxHighlighter Evolved