coothemes

Coothemes Icons plugin helps to insert icons into post and pages on your website. Access any icon of more than 2,000.
Features
*Over 2,000 icons included 
*Insert Icons Directly Into Posts/Pages 
*No need to write a single line of code 
*Actively under development
Basic Plugin Demo 
<a href="https://www.coothemes.com/icon/" rel="nofollow ugc">Check Out Free Version Demo</a>
Additional Features in Pro Version! 
Pro Features
Easily customize icon size, color, link and more without writing any code! 
*Upload unlimited custom icons! 
*Many animation effects for your icons 
*Easily generate an icon container to use on your website (with awesome hover effects) 
*Premium support for any problem you may have with the plugin, or something more custom you’d like to achieve 
*Built in widget support for *all icons 
*No need to write a single line of code manually in the pro version 
*Actively under development
<a href="https://www.coothemes.com/coothemes-icons/" rel="nofollow ugc">Get the premium version now!</a>
Pro Plugin Demo 
<a href="https://www.coothemes.com/icon/" rel="nofollow ugc">Check Out Pro Version Demo</a>

Coothemes Icons

Easily and quickly use 2,000+ beautifully designed SVG font icons on your website

Kishores

Post Featured Icon: It allows to add font icons to post title, and there is option so that we can 
replace post thumbnail with font icon.
It supports:
<ul>
<li>dashicons</li>
<li>genericons</li>
<li>font-awesome</li>
</ul>
Please check here: <a href="http://opentuteplus.com/post-featured-font-icon/" rel="nofollow ugc">Demo 1</a> and <a href="http://blog.kishorechandra.co.in/project-fork-in-open-source/" rel="nofollow ugc">Demo 2</a>
It supports post,page.But we can add to custom post types to. It provides hooks i.e icon_post_type .
<blockquote>
Priority Support
If you are looking for more features, paid support or Custom WordPress Work, then you can hire me too. My email id : babunsahoo@gmail.com .
</blockquote>
<pre><code>// Our filter callback function
function icon_post_type_callback( $types ) {
 $types = array('post', 'page', 'product');
 return $types;
}
add_filter( 'icon_post_type', 'icon_post_type_callback', 10, 1 );
</code></pre>

Post Featured Font Icon

it supports dashicons, genericons, font-awesome.

Coothemes Icons vs Post Featured Font Icon