Frenchtastic

This plugin allows you to give your WordPress dashboard a fresh new look. Your admin panel will look clean and will allow you to focus on what’s really important for you and your users. This colours scheme is set as default and the plugin also prevents users from changing it.

Coeur Admin Color Scheme

This plugin allows you to give your Wordpress dashboard a fresh new look.

versusbassz

Sortable ID columns for all standard data types in WordPress admin panel. 
No settings pages. It just works. 
ID columns will be first in admin panel tables.
Supported entities: 
* posts, pages, attachments, any custom post types 
* category, term, any custom taxonomies 
* users (including Multisite users) 
* comments 
* links (the legacy WP feature) 
* blogs (aka “sites”) in Multisite Admin panel
<h4>Links</h4>
<a href="https://github.com/versusbassz/sortable-id-columns/" rel="nofollow ugc">Github repo</a>

HH sortable ID columns

Sortable ID columns for all standard data types in WordPress admin panel.

Coeur Admin Color Scheme vs HH sortable ID columns