Florian TIAR

This plugin add a margin note to your content. 
For example, if you want to add a source to your post, you can use the shortcode. You will see a margin note in the left of your content when you hover the desired text.
This plugin use the following open source javascript library by Francisco Dans : https://github.com/fdansv/marginotes
If you want to contribute to this plugin, feel free to check the Github repository : https://github.com/Mahjouba91/wp-margin-notes

WP Margin Notes

Simply add margin notes to your content (pages, posts or CPT) just by using the [margin_notes] shortcode

Freemius

prasadkirpekar

Remove Meta,Author and Date in click. Install. Activate. And Done!
<h3>How to remove Author Meta and Date from posts and pages?</h3>
<ol>
<li>Install WP Meta and Date remover.</li>
<li>Activate Plugin.</li>
<li>Choose whether to hide from Backend(Page Source) or Frontend or Both</li>
<li>Save settings</li>
<li>And you done!</li>
</ol>
<h3>Two way removal</h3>
This plugin uses two methods to erase your meta
Removal using CSS file 
Plugin register custom CSS which hides any information contained by meda data class. 
CSS file provided with this plugin works great. You also can edit that n file in plugin editor. 
For more support <a href="https://www.fiverr.com/prasadkirpekar/customize-your-theme-css" rel="nofollow ugc">Buy premium support</a>
Removal using php 
Plugin filters results of functions like get_date(),get_time() etc. 
In some cases CSS file doesn’t work, thats why there is removal using php code. 
Plugin removes Meta data from source code. Which means even search engines can’t see it.
Visual Remover 
This is part of Pro plugin. This lets you remove/hide content from your WordPress pages with 
simple visual editor Hassle free Meta and Date removal in minutes
Custom removal using little coding [Deprecated] 
Plugin provide custom snippet of code that can be managed from settings. 
You can wrap any code in theme html arround custom function provided by plugin. 
You can control behavior of that function from plugin settings
Pro plugin features 
Custom Post Types 
Exclude categories 
Individual post control 
Remove date from only older posts best for SEO 
YoastSEO schema remove datePublished dateModified
Upcoming features 
We are planning to add way to create meta data for any type of post. 
<a href="mailto:prasadkirpekar@outlook.com" rel="nofollow ugc">Mail us</a> for any special feature request
<h3>Contact me</h3>
<a href="mailto:prasadkirpekar96@gmail.com" rel="nofollow ugc">Reach me here</a>

WP Meta and Date Remover

Remove meta author and date information from posts and pages. Hide from Humans and Search engines.SEO friendly and most advance plugin.

WP Margin Notes vs WP Meta and Date Remover