Enrico Sorcinelli

Sticky Postbox is a piece of code written few years ago as exercise to learn how WordPress handles administration meta boxes’s availables statuses (closed, hidden and sortings).
This very lightweight plugin adds the sticky feature to administration meta boxes allowing them to be sticky at top right corner of the browser window.
Only one meta box can be sticky at once, so a new sticky meta box unstick the current one (if there is one).
<h3>Basic Features</h3>
<ul>
<li>Per-user settings.</li>
<li>Multisite support.</li>
</ul>
<h3>Usage</h3>
Once the plugin is installed and activated you can sticky administration meta boxes using sticky icon (it appears on the top right corner of each box).
<h3>API</h3>
<h4>Constants</h4>
You can use define following constants in your wp-config.php file.
<code>STICKY_POSTBOX_DEBUG</code>
Turn on debug messages (also <code>WP_DEBUG</code> has to be <code>true</code>). 
Default to <code>false</code>.
<code>STICKY_POSTBOX_GLOBAL_OPTIONS</code>
In a Multisite installation, allows to shares user’s sticky meta boxes settings across all his sites. For example, if you sticky Publish box in editing Pages in a specific site, it will be sticky on all Pages of all sites. 
Default to <code>false</code>.
<code>STICKY_POSTBOX_AUTOENABLE</code>
By default if the plugin has been activated, it starts automatically. 
Define to <code>false</code> if you want to init it manually, for example:
<pre><code>// Activate manually the plugin once all plugin have been loaded.
add_action( 'plugins_loaded', function() {
 \Sticky_Postbox::get_instance( 
 array(
 'debug' => WP_DEBUG,
 'global_options' => false,
 )
 );
} );
</code></pre>
<h4>Hooks</h4>
Currently the plugin doesn’t have actions or filters.

Sticky Postbox

Add sticky feature to administration meta boxes.

ScriptsTown

Social Icons Sticky plugin adds social media sharing icons to your WordPress website. The plugin adds social share icons to posts or pages of your WordPress site and allows visitors to share the content of a post or page on various social media sites. It automatically picks the featured image, post title, and meta description of the page for sharing it depending on the social media platform.
You can choose which social icons to enable for the sticky or content area. It supports multiple icon placement positions. It includes quick options to place social icons before and after the page/post content. Also, you can place sticky icons on the right or left side of your WordPress site.
Social sharing icons are a crucial aspect of WordPress website design, SEO, and functionality. Having social sharing icons allows users to easily share content from your website on their own social media profiles. The content can also include links back to your WordPress site. This can result in increased website traffic, interaction, and, ultimately, brand awareness.
Furthermore, including social sharing icons on your website can help to improve your search engine optimization, visibility, and reach of your website, as well as your online presence and reputation.
<h3>Social Icons Sticky Features</h3>
<ul>
<li><a href="https://scriptstown.com/wordpress-plugins/share-social-media/" rel="nofollow ugc">Social Icons Sticky Features</a></li>
<li>Social Icons to Page or Post</li>
<li>Place Icons Before or After Content</li>
<li>Sticky Social Share Icons</li>
<li>Popular Social Media Icons</li>
<li>Customize Social Sharing Icons</li>
<li>Multiple Icons Placements</li>
<li>Icons Design Settings</li>
</ul>

Social Icons Sticky

Add social sharing icons to a post or page of your WordPress website and allow visitors to share your content on various social media sites.

Sticky Postbox vs Social Icons Sticky