bhelms

Adds the new HTML5 speech attribute to all inputs. This will allow your users to enter text in input fields using voice recognition. 
Currently this only works in Chrome 11 or higher but will hopefully be supported by more browsers soon.

HTML5 Speech

Adds the new HTML5 speech attribute to all inputs

niatn1012

Guten-bubble can create a speech bubble display like a chat conversation.
Features
<ul>
<li>It’s easy to create speech bubble using Guten-bubble block for Gutenberg editor in WordPress 5.0 or later.</li>
<li>Pick from 24 color themes for speech bubble.</li>
<li>You can use it as an icon image by importing image files from WordPress’s media library. Let’s make interesting articles by using icon image on hand!</li>
</ul>
How to use in block editor
<ol>
<li>Add a Guten-bubble block where you want to add a speech bubble.</li>
<li>Enter serif in the balloon in the block ( the part where ‘Enter serif here …’ placeholder is displayed ), select character icon and set the balloon in the inspector.</li>
</ol>

Guten-bubble

Displays a speech bubble like a chat conversation.

HTML5 Speech vs Guten-bubble