Roland Rust

File Icons adds icons via CSS to your links. 
Configure and displays icons before links on your WordPress website by css (on firefox, opera, etc.) 
Icons come from the famous free icons set at <a href="http://www.famfamfam.com/lab/icons/" title="Creative Commons licenced icons" rel="nofollow ugc">famfamfam</a>. 
Localized: english and deutsch(german)

File Icons

File Icons adds icons via CSS to your links.

WordPress.org

iseulde

This plugin adds the following functionality:
<ul>
<li>Code <code>code</code>, subscript <code>sub</code>, and superscript <code>sup</code> buttons to the formatting toolbar.</li>
<li>Inline text and background colour panel (found inside the block sidebar for now).</li>
<li>Remove formatting button (found inside the block sidebar for now).</li>
</ul>

Advanced Rich Text Tools for Gutenberg

Great plugin.  Now I just need to find a quick way to change the font style

Thank you so much!

No more need to use the HTML view to insert Code. Thanks a lot. Exactly what I was looking for. It just works!

A real work relief

Additional tools for rich text fields in Gutenberg.

File Icons vs Advanced Rich Text Tools for Gutenberg