Bastien Ho

NOUS Open Usefull &amp; Simple

This plugin is for you if :
<ul>
<li>You know CSS, but don’t have legitimacy to apply it</li>
<li>You manage a multisite network</li>
<li>You work with webmasters which want to customize WP but think that “CSS” means “Custom Super Style”</li>
<li>You just want to use predefined styles on your blog</li>
</ul>
This plugin works as well for standard single site or multisite network.
Checkout full examples and documentation on <a href="http://css-addons.avecnous.eu/" rel="nofollow ugc">css-addons.avecnous.eu</a>
The power user can create a set of CSS rules readable for humans with :
<ul>
<li>Slug</li>
<li>Name</li>
<li>Theme</li>
<li>Descrition</li>
<li>CSS code</li>
</ul>
It adds the list of addons in the customizer view (under appearance) and webmaster just have to check the ones they want with live preview. 
That’s it. 
For coder webmasters, a free field let them put there own CSS in a code-highlighted editor.
Predefined librairies are also available:
<ul>
<li>Bootstrap 3/4</li>
<li>GithubCSS</li>
<li>Knacss</li>
<li>MarkdownCSS</li>
<li>Normalize</li>
<li>Skeleton</li>
<li>YUI 3</li>
</ul>
<h3>Languages</h3>
<ul>
<li>en : 100%</li>
<li>fr_FR : 100%</li>
</ul>

Custom CSS Addons

Description: Lets administrator add CSS addons to any theme

wpwox

This plugin provides custom meta boxes in default Pages and Posts of wordpress where you can enter any scripts for each respective pages or posts, for example:
<ol>
<li>Google Adwords conversion tracking</li>
<li>Google Adsense ads</li>
<li>Any Javascripts</li>
<li>Page/post specific CSS codes</li>
<li>Normal HTML codes</li>
<li>Unlimited possibilites</li>
</ol>
You will get a meta box under each of page and post. The Meta box will have 4 Text Boxes, in each section you can add codes for:
<ol>
<li>Before Content Field</li>
<li>Below Content Field</li>
<li>Scripts to add in tag</li>
<li>Scripts to add in footer below tag</li>
</ol>
Plugin Documentation: 
http://www.wpwox.com/wp-plugin/custom-script-integration/

Custom Script Integration

This plugin provides custom meta box to add Google Adword conversion, ads, custom css and scripts in individual pages/posts.

Custom CSS Addons vs Custom Script Integration