Chris Cook

Display important server information right in your dashboard. Toggle on/off what you need to show in the settings panel located at Settings / Server Info.
Server information shown:
<ul>
<li>Server Architecture</li>
<li>Web Server</li>
<li>PHP Version</li>
<li>PHP memory limit</li>
<li>Upload max filesize</li>
<li>PHP post max size</li>
<li>PHP time limit</li>
<li>MySQL Version</li>
</ul>

Dashboard Server Info

Display important server information right in your dashboard.

cleanscript

A very simple plugin that provides information about the Custom Page Templates available in the theme: What they are, which are not used and where the used ones are used, selectively.
Main features: 
Available page templates list 
Unused page templates list 
List of page templates with checkboxes that output when submitted the links where they are used

Cleanscript – Page Templates Info

Find information about your page templates. What they are, which are not used and where the used ones are used, selectively.

Dashboard Server Info vs Cleanscript – Page Templates Info