Ryo Uozumi

affiliate-amazon-block(aab) adds “Amazon” block to your block editor. 
With “Amazon” block, you can add affiliate link easily:
<ol>
<li>Search in Amazon</li>
<li>Select item</li>
<li>Insert affiliate link</li>
</ol>
This plugin sends request to Amazon Product Advertising API to search products. 
In order to use API, it is necessary to configure your Amazon Product Advertising API access key.
Supported Amazon domains are below:
<ul>
<li><a href="http://www.amazon.com" rel="nofollow ugc">US</a></li>
<li><a href="http://www.amazon.co.uk" rel="nofollow ugc">UK</a></li>
<li><a href="http://www.amazon.de" rel="nofollow ugc">Germany</a></li>
<li><a href="http://www.amazon.fr" rel="nofollow ugc">France</a></li>
<li><a href="http://www.amazon.co.jp/" rel="nofollow ugc">Japan</a></li>
<li><a href="http://www.amazon.ca" rel="nofollow ugc">Canada</a></li>
<li><a href="http://www.amazon.cn" rel="nofollow ugc">China</a></li>
<li><a href="http://www.amazon.it" rel="nofollow ugc">Italy</a></li>
<li><a href="http://www.amazon.es" rel="nofollow ugc">Spain</a>)</li>
</ul>
<h4>Using Amazon Product Advertising API</h4>
Amazon Block requires <a href="https://affiliate-program.amazon.com/gp/advertising/api/detail/main.html" rel="nofollow ugc">Amazon Product Advertising API</a> 
in order to get Amazon product information by keyword. 
Thus, you have to sign up Amazon Product Advertising API and specify your Access Key and Secret Access Key. 
And you must set your associate tags for Amazon Associates also.

affiliate-amazon-block(aab)

Add "Amazon" block to your block editor. Useful to add affiliate link.

Henry Holtgeerts

The simple, no-frills block to easily embed PDF files on your WordPress site. 100% free, fully responsive and built for the Gutenberg Editor.
Quickly add PDFs from your media library, or paste a URL. This PDF Block is inspired by the Image Block for Gutenberg, and maintains tremendous ease of use.
Options: 
– Change PDF URL (from Media Library, or copy/paste one manually) 
– Show or Hide PDF toolbar 
– Control PDF alignment 
– Adjust PDF height
Compatibility: 
– Fully responsive 
– Works fine on Chrome, Firefox, Opera, Edge and IE11 
– Does not require Javascript for users to see PDFs
This PDF Block takes advantage of browser’s native support of PDFs, allowing users to view and interact with your PDFs without the need for any Javascript.

PDF Block

The simple, no-frills block to easily embed PDF files on your WordPress site.

affiliate-amazon-block(aab) vs PDF Block