Giustino Borzacchiello

This plugin will show stats about your posts after your content.
Currently it shows:
<ul>
<li>Word count</li>
<li>Characters count</li>
<li>Reading time</li>
<li>Speaking time</li>
</ul>

Postats

This plugin gives some statistics about your posts (word count, etc.)

keith_wp

Adds a checkbox to the User Profile screen, allowing logged-in users to change the fonts used across the site to a dyslexic friendly one.

Dyslexic Fonts

Allow users to change the font used across your site to one that is meant to help people with reading difficulties.

Postats vs Dyslexic Fonts