Jonas Grønås Drange

The plugin adds one js-file which searches through your blog and adds extra HTML markup to <code>.key-shortcut</code> elements.
A stylesheet is added that applies styling to the extra HTML markup.
This results in <code>.key-shortcut</code> elements looking somewhat like keyboard buttons.

Key Shortcut Formatter

Key Shortcut Formatter enhances the presentation of keyboard shortcuts with simple CSS and JavaScript

i.lychkov

Highlight unread posts on your blog.
Key features:
<ul>
<li>Works right out of the box</li>
<li>Uses cookies, no authorization required</li>
<li>4 different types of markers for highlighting posts (a “new” text label, 
an orange circle, etc.)</li>
<li>Customizable background color for unread post titles</li>
</ul>
There’s a setting to determine when a post should be considered read. You can pick one of the following:
<ul>
<li>after it was opened</li>
<li>after it was displayed in the post list</li>
<li>after opening any page of the blog</li>
</ul>
Functions available for theme developers:
<ul>
<li>mnp_is_new_post($post) – check if a post is unread</li>
<li>mnp_new_posts_count($query) – get unread posts count</li>
</ul>

Key Shortcut Formatter vs Mark New Posts