diekleinehexe

This plugin will add a button to both the visual and HTML WordPress Editor panel allowing you to easily insert code for WP-Syntax. WP-Syntax is a syntax highlighting plugin for WordPress which can be downloaded from https://wordpress.org/extend/plugins/wp-syntax/
Usage
<ol>
<li>Select the text you want to have highlighted by WP-Syntax</li>
<li>Click the button pre (WP-Syntax) in HTML editing mode or the icon with colored lines in visual editing mode</li>
<li>Enter the language and starting line separated by a comma. The later is optional.</li>
</ol>

WP-Syntax Editor Integration Plugin

Adds new buttons to the visual and html editor window which allow to use WP-Syntax.

A plugin allowing you to change the WP-Syntax code highlighting color scheme elegantly.
<a href="https://wordpress.org/extend/plugins/wp-syntax/" title="WP-Syntax" rel="ugc">WP-Syntax</a> rawks for writing about geeky stuff, but I want it more blacker. And I want a CSS file to hack instead of those icky and inefficient inline styles.
I got the basic idea from <a href="https://wordpress.org/extend/plugins/wp-syntax-colorizer/" rel="ugc">WP-Syntax-Colorizer</a> but went further with an external CSS file.

Wp-Syntax Hacktify

A plugin allowing you to change the WP-Syntax code highlighting color scheme elegantly.

WP-Syntax Editor Integration Plugin vs Wp-Syntax Hacktify