This plugin is an implementation of the <a href="http://alexgorbatchev.com/wiki/SyntaxHighlighter" rel="nofollow ugc">Syntax Highlighter 2.1.364</a> by Alex Gorbatchev with a front end to allow configuring all the global settings that are available, such having the plugin automatically include languages to highlight, thereby improving page loading performance.
<h4>Syntax Supported</h4>
ActionScript3, Bash/shell, C#, C++, CSS, Delphi, Diff, 
Groovy, JavaScript, Java, JavaFX, Perl, PHP, Plain Text, 
PowerShell, Python, Ruby, Scala, SQL, Visual Basic, XML
<h4>Themes</h4>
Default, Django, Emacs, FadeToGrey, Midnight, RDark

Easy Google Syntax Highlighter

An implementation of Alex Gorbachev's Google Syntax Highlighter with a front end to allow configuration.

leo108

This plugin not only provides you syntax-highlighter , but also add a textarea and a button in the post page . 
you just have to select the language , add code to the textarea and click the ‘OK’ button , and you will get 
your code highlighted in your atricle. 
这个插件不仅仅提供了代码高亮，还在编辑页面增加了一个代码框和一个按钮，你只要选择好你的代码语言，把代码贴入代码框， 
再点击一下OK按钮，你的带高亮的代码就会被插入到文章里去。
Supported Languge: 
 Bash 
 C 
 C++ 
 C# 
 CSS 
 Delphi 
 Diff 
 Erlang 
 Groovy 
 HTML 
 Java 
 Javascript 
 Perl 
 PHP 
 PowerShell 
 Python 
 Ruby 
 SQL 
 VisualBasic 
 VB.NET 
 XML

Syntax Highlighter++

You can add code with syntax highlighter easily when you are editing an article. 方便的代码高亮插件。

Easy Google Syntax Highlighter vs Syntax Highlighter++