linewbie

WP Post Icon is a Free and Open Source WordPress plugin which is enable blog authors to upload and automatically insert topic icons or images in to your posts on the fly. You can control the position of the icon. Just select which image to display when you are writing a post, it will be automatically displayed.
<a href="http://www.linewbie.com/attach-diy/files/wp-post-icon.zip" rel="nofollow ugc">Download now!</a>
Features:
<ul>
<li>Automatically insert your topic icons in to your blog posts.</li>
<li>Very little manual work is required, just select which image to display when you are writing a new post.</li>
<li>
You could also use no image at all.
</li>
<li>
<a href="http://www.linewbie.com/sf-forum?forum=8&page=1" rel="nofollow ugc">Support</a>
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<li><a href="http://www.linewbie.com/2008/02/wp-post-icon.html" rel="nofollow ugc">Version History</a></li>
<li><a href="https://wordpress.org/extend/plugins/wp-post-icon/faq/" rel="ugc">FAQ</a></li>
<li><a href="https://wordpress.org/extend/plugins/wp-post-icon/installation/" rel="ugc">Installation</a></li>
</ul>

WP Post Icon

Enables blogs authors to upload and select topic icons or images and have it automatically show up in their blog post.

seothemes

Icon Widget creates a new WordPress widget that displays an icon, title and description. Select the size, color and text-alignment with easy to use dropdown options.
<h4>Icon Fonts Included</h4>
<ul>
<li>Font Awesome 4 & 5</li>
<li>Line Awesome</li>
<li>Ionicons</li>
<li>Streamline Icons</li>
<li>ET Line Icons 
More coming soon. We are open to suggestions.</li>
</ul>
<h4>Shortcode Usage</h4>
Since 1.0.6 you can now use the <code>icon_widget</code> shortcode. Below is a list of available attributes with their default values:
<ul>
<li>classes => ‘icon-widget’</li>
<li>title => ‘Icon Widget’</li>
<li>content => ‘Add a short description.’</li>
<li>icon => ‘fa-star’</li>
<li>weight => ‘600’</li>
<li>size => ‘2x’</li>
<li>align => ‘center’</li>
<li>color => ‘#333333’</li>
<li>bg => ”</li>
<li>padding => ”</li>
<li>radius => ”</li>
<li>heading => ‘h4’</li>
<li>break => ‘<code> </code>‘</li>
</ul>
Here is an example of the icon widget shortcode using all available parameters:
<pre><code>[icon_widget classes="icon-widget" title="Icon Widget" content="Add a short description" icon="fa-star" weight="600" size="2x" align="center" color="#fff" bg="#333" padding="30" radius="30" heading="h4" break=" "]
</code></pre>

Icon Widget

This works great and saves a lot of time. Easy for clients to manage.

Works Great!

Display an icon, title and description with a widget or a shortcode.

WP Post Icon vs Icon Widget