ondoku3

It is a plugin for WordPress of Ondoku that converts text into an audio file and reads it aloud. With this plugin, you can have your blog text read aloud.
<ul>
<li>Free registration is required for reading aloud to use this plug-in. 
https://ondoku3.com</li>
</ul>

text-to-speech Ondoku

Create an audio file that automatically reads the text aloud when posting a blog, and insert it with an HTML tag at the beginning of the blog.

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.

text-to-speech Ondoku vs Guten-bubble