Greg

This plugin provides a shortcode to selectively disable WordPress’ automatic formatting. Very useful for anyone looking to write some custom HTML, but doesn’t want to completely diasble wpautop.
<h3>Usage</h3>
Wrap any HTML content, or content for which you wish to disable formatting inside of the [noformat] shortcode, like this:
<pre>
[noformat]
<ul>
 <li>This content won't be
 formatted.
</li></ul>

You'll notice no automatic 's or 's are added within this shortcode.
[/noformat]
</pre>

No Format Shortcode

This plugin provides a shortcode to selectively disable WordPress' automatic formatting. Very useful for anyone looking to write some custom HTML …

binary-organic

With this plugin installed, you can say goodby to automatic and unwanted paragraph tags, your markup can stay beautiful, and never again will you have to wonder why there are line breaks where none should be.
Github: https://github.com/binaryorganic/Disable-Automatic-P-Tags

Disable Automatic P Tags

Disables the Wordpress "feature" that injects paragraph tags into double line breaks.

No Format Shortcode vs Disable Automatic P Tags