milanstojanov

If you are a WordPress theme developer, this little plugin is a great tool for you. It will add a new column next to page title in WP-Admin->Pages, and let you know what template file is used for every page. Also, it makes possible to filter pages by registred template files in the system (please see Screenshots section to see it in action).

Easy page templates info

This plugin adds a new column in WP-Admin->Pages which will let you know what template file is used for every page.

Cernocky

The Custom Post Styles plugin is an easy way to customize css of your posts individualy using CSS code. 
Plugin adds css editor box in your post editor.
See it in action: 
https://vimeo.com/179525212
Improve the user experience for your readers without having to change theme code.
<h4>Possible upcoming features</h4>
<ul>
<li>Better CSS editor</li>
<li>Custom webfonts</li>
<li>Supporting more post types</li>
<li>Custom styles for posts by categories, authors etc.</li>
<li>Visual editor</li>
</ul>

Custom Post Styles

Allows you to add custom css styles to posts.

Easy page templates info vs Custom Post Styles