GSaraiva

Create a better display of codes on your page/blog. 
For everybody that publish examples, source-code and some tips about a specific language. 
This plugin do use of GeSHi highlight system, so you will have support for more then 110 languages, including PHP, ASP, Html, JavaScript, CSS, Java, Python, Delphi, C++, C, Visual Basic and much more.
New features:
<ul>
<li>Non-obstructive filter integration.</li>
<li>Syntax highlighting with Style attribute enabled.</li>
<li>Syntax highlighting using AJAX.</li>
<li>Syntax highlighting in RSS 2.0 feeds.</li>
<li>Syntax highlighting with PRE tags .</li>
<li>Syntax highlighting in comments.</li>
<li>Start line number configuration.</li>
<li>Hide toolbar for a code block.</li>
<li>CSS !important to for better style.</li>
<li>New code theme (Summer)</li>
</ul>

Developer Formatter

Create a better display of codes on your page/blog.

Dennis Ploetner

Simple code highlighting plugin for your remote source files
It is powered by the <a href="http://qbnz.com/highlighter/" rel="nofollow ugc">GeSHi engine</a> which supports a large number of programming languages
The plugin is using styles like <a href="https://wordpress.org/extend/plugins/codesnippet-20/" rel="ugc">Code Snippet</a>. Thanks to Roman Roan and Wyatt Neal. In addition, I would like to thank <a href="http://designetage.com/" rel="nofollow ugc">Jürgen Mayer</a> for making the banner of this plugin.

scGeSHi

Simple code highlighting plugin for your remote source files

Developer Formatter vs scGeSHi