SANTECHIDEA

STI RSS Feed Reader is a modern, lightweight plugin that makes it easy to display RSS feeds beautifully in your WordPress site. 
It includes image fallback support, flexible layouts (list or grid), an optional “Store as Posts” feature, and automatic cleanup for stored posts.
Key Features: 
* Display RSS feeds in responsive list or grid layout. 
* Store feed items as WordPress posts (optional). 
* Choose custom post status: publish, draft, or pending. 
* Built-in cleanup system to automatically expire old items. 
* Fallback image support for feeds without featured images. 
* Works with multiple feed profiles (create and manage different feeds). 
* No theme lock-in: inherits your theme’s styling.
<h3>Development Notes</h3>
All JavaScript files included in this plugin are human-readable source files. 
No minified or obfuscated JavaScript is used.

STI RSS Feed Reader

A simple and lightweight RSS feed reader plugin to display feeds in list or grid layouts, with optional post storage and cleanup.

Whodunit

Jb Audras

A simple, responsive and 100% free Gutenberg Block to display PDF Viewers / Readers on your website.
You can easily configure the Reader’s width, height and alignment on the fly.
Compatibility: 
– Fully responsive 
– Works fine on Chrome, Firefox, Opera, Edge and IE11 
– If javascript is disabled, a download link is provided as a fallback
This plugin uses <a href="https://mozilla.github.io/pdf.js/" rel="nofollow ugc">PDF.js</a> library, provided by Mozilla under Apache license.

PDF Viewer Block for Gutenberg

Very easy to install and to use. No need to configure anything.
And it works out of the box.

The best PDF Viewer

A simple and 100% free Gutenberg Block to display PDF Viewers / Readers on your website.

STI RSS Feed Reader vs PDF Viewer Block for Gutenberg