Rene Maurer

This plugin show the current versions from WordPress | PHP | Theme | Webserver | MySQL in the Backend Dashboard footer.
<ul>
<li>WordPress version installed</li>
<li>PHP version from your Hoster</li>
<li>Theme and Child Theme</li>
<li>Web Server from your Hoster</li>
<li>MySQL version from your Hoster</li>
</ul>

WP Server & Theme Info

Show the current versions from WordPress | PHP | Theme | Webserver | MySQL in the Backend Dashboard footer.

Blend Media

WordPress CTA Pro

Ryan Cameron

Server Info for Debugging is a lightweight plugin that displays server stats and WordPress environment information on an admin page, helping with troubleshooting server-related issues. It provides:
<ul>
<li>Operating system information</li>
<li>PHP version and memory limits</li>
<li>Database version and user details</li>
<li>WordPress debug mode status</li>
<li>SSL/TLS status</li>
<li>Write permissions</li>
</ul>
For detailed server and WordPress setup, see below:
Server Details 
– Operating System 
– Software 
– MySQL Version 
– PHP Version 
– PHP Memory Limit 
– PHP Max Input Vars 
– PHP Max Post Size 
– GD Installed 
– ZIP Installed 
– Write Permissions 
– PHP Execution Time 
– File Uploads Enabled
WordPress Environment Details 
– WordPress Version 
– Site URL 
– Home URL 
– WP Multisite 
– Max Upload Size 
– Memory Limit 
– Max Memory Limit 
– Permalink Structure 
– Language 
– Timezone 
– Admin Email 
– Debug Mode 
– Database Host 
– Database Name 
– Database User 
– Database Charset 
– SSL/TLS Status
<h3>License</h3>
This plugin is licensed under the GPL v2.0 or later. For more details, see <a href="http://www.gnu.org/licenses/gpl-2.0.html" rel="nofollow ugc">GNU GPL</a>.

Server Info for Debugging

Displays server stats and WordPress system information for debugging purposes.

WP Server & Theme Info vs Server Info for Debugging