ImTheirWebGuy

Provides the ability to select from the classic 1 or 2 column setup on your dashboard in wp-admin. There are no settings, simply install, activate, and then use “Screen Settings” in the main dashboard view to select one or two columns.

Two Column Admin

Provides the ability to select from the classic 1 or 2 column setup on your dashboard in wp-admin.

Jory Hogeveen

Show Members fields in your admin post overviews and (if you have Admin Columns Pro) edit them inline!
<h4>Requirements</h4>
<ul>
<li>Admin Columns: <a href="https://wordpress.org/plugins/codepress-admin-columns/" rel="ugc">wordpress.org/plugins/codepress-admin-columns</a>
<ul>
<li>Or Admin Columns Pro: <a href="https://www.admincolumns.com/" rel="nofollow ugc">www.admincolumns.com</a></li>
</ul>
</li>
<li>Members: <a href="https://wordpress.org/plugins/members/" rel="ugc">wordpress.org/plugins/members</a></li>
<li>Members Content Permissions feature enabled.</li>
</ul>
The plugin will notify you at installation if something is missing. 
You can find me here:
<ul>
<li><a href="http://www.keraweb.nl/" title="Keraweb" rel="nofollow ugc">Keraweb</a></li>
<li><a href="https://github.com/JoryHogeveen/admincolumns-addon-members/" rel="nofollow ugc">GitHub</a></li>
<li><a href="https://nl.linkedin.com/in/joryhogeveen" title="LinkedIn profile" rel="nofollow ugc">LinkedIn</a></li>
</ul>

Admin Columns – Members add-on

Members integration Add-on for Admin Columns.

Two Column Admin vs Admin Columns – Members add-on