rewish

This plugin will not be update anymore.
Install the <a href="https://wordpress.org/plugins/wp-emmet/" rel="ugc">WP Emmet</a> instead and use the Emmet (previously known as Zen Coding).

WP Zen-Coding

WP Zen-Coding is a awesome Zen-Coding plugin for WP admin page.

jtgraphic

Do you ever have a really hard getting your code formatted correctly in a post? Or do you ever have issues preserving tabs?
Plum Code Box makes it easy to insert and manage code blocks using the Chili javascript syntax highlighter. The plugin adds option boxes to post and page 
editors. There are also other <a href="http://codeplum.com/wordpress-plugins/" rel="nofollow ugc">WordPress Plugins</a> available from Code Plum.
Twitter: @codeplum
Website: http://codeplum.com
<h3>Donations</h3>
You may make donations at http://www.codeplum.com

Plum Code Box

Plum Code Box makes it easy to insert and manage code blocks using the Chili javascript syntax highlighter.

WP Zen-Coding vs Plum Code Box