Alvaro

<a href="https://gutenberg-showcase.melonpan.io/melonpan-block-code" rel="nofollow ugc">Demo</a> – <a href="https://melonpan.io/wordpress-plugins/melonpan-block-code" rel="nofollow ugc">Documentation</a> – <a href="https://github.com/garciaalvaro/melonpan-block-code" rel="nofollow ugc">GitHub</a>
Block to display code, with highlighted syntax, which can be copied to the clipboard.
<h3>Features</h3>
The block comes with the following settings:
<ul>
<li>Code language: JavaScript, CSS, PHP, etc. <a href="https://prismjs.com/#languages-list" rel="nofollow ugc">Full list of languages</a>.</li>
<li>Color theme</li>
<li>Label: Top left label that can be customized. By default the code language.</li>
<li>Copy button: Top right button to copy the block content.</li>
<li>Padding</li>
<li>Border width and Border radius</li>
</ul>
<h3>Usage</h3>
The block can be found inside the blocks inserter menu under the Melonpan Blocks category. 
Once added in the post you can edit its settings on the Editor sidebar under the Block settings panel. 
Switch between the previewer and editor views to edit the code and see its styled output.

Melonpan Block – Code

Block to display code, with highlighted syntax, which can be copied to the clipboard.

Anthony

Easily highlight your code on WordPress with WP PrismJS.
Simply download & activate the plugin and a new icon on your TinyMCE editor will appear. Click on it and you will be able to enter your indented code; choose the language; specifying the maximum height of the code window and the filename.
More info about PrismJS at <a href="http://prismjs.com" rel="nofollow ugc">the official PrismJS website</a> — <a href="http://lea.verou.me" rel="nofollow ugc">by Lea Verrou</a>
Any bugs; comments or suggestion, please contact me or simply go <a href="https://wordpress.org/support/plugin/wp-prismjs-syntax-highlighter" rel="ugc">here</a>. Thanks !

WP PrismJS – Syntax Highlighter

Highlight your code on WordPress with WP PrismJS !

Melonpan Block – Code vs WP PrismJS – Syntax Highlighter