michielve

There are other good syntax highlighter plugins, but I wanted something simple and fast and 
be able to add the highlight classes with a select box in the TinyMCE editor.
I added some default languages: Javascript, PHP, Python, C, C#, VB.NET, SQL and CSS but you can 
easily add other ones.

Simple Fast Highlighter

Fast syntax highlighter written in Javascript.

digihero

Auto SyntaxHighlighter is a WordPress Code highlight plugin.
It’s used alexgorbatchev SyntaxHighlighter JavaScript package.
Autoload SyntaxHighlighter only requisite js files and display you code.
Github address: https://github.com/wkii/Auto-SyntaxHighlighter
Support languages see: SyntaxHighlighter Brushes.
Full Support for : AppleScript, ActionScript3, Bash/shell, C#, C++, CSS, Delphi, Diff, Groovy, JavaScript, Java, Perl, PHP, Plain Text, Python, Ruby, Sass, Scala, SQL, Visual Basic and XML/HTML…
It’s advantages:
<ul>
<li>Don’t write database;</li>
<li>Don’t need settings;</li>
<li>Deactivate plugin code can also display properly;</li>
<li>Code can switch visual editing mode or HTML mode;</li>
<li>With the w3c standards;</li>
<li>Insert code small tools;</li>
<li>Automatic and only loading requisite files;</li>
<li>Write code to support non-administrator</li>
</ul>

Auto SyntaxHighlighter

Auto SyntaxHighlighter is a WordPress Code highlight plugin. Use editor botton, in the pop-up window, paste or write your code, oh, very simple.

Simple Fast Highlighter vs Auto SyntaxHighlighter