Marco Alluvion

The Media Expirator plugin allows users to set expiration dates for media library items. When the date is reached, the file will be automatically delete from the media library.
User can enable/disable expiration date for each media items directly in media editor.
This plugin is translatable.
<h3>Note</h3>
How to: 
Enable/Disable and set an expiration date for each items directly in WordPress media editor.
Goals: 
√ add enable/disable option 
√ plugin translatable 
√ add translations 
• create option page 
• enable time 
• time zone option 
• media types option 
• optimize code 
• ..add other ideas

Media Expirator

It works!

Media Expirator plugin allows users to set expiration dates for media library items.

TIEro

This plugin is now available as part of <a href="https://wordpress.org/plugins/tietools-automatic-maintenance-kit/" title="TIEtools" rel="ugc">TIEtools</a>, which also includes post expiry and server log file removal.
A simple duplicate post deletion plugin. Spots posts with the same title and removes all but one of each.
<ul>
<li>Checks in published, draft, pending and private posts on demand</li>
<li>Includes or excludes user-defined list of categories</li>
<li>Moves all duplicate posts to the Trash (leaving the oldest or newest original copy)</li>
<li>Permanent post deletion is handled by WP’s built-in Trash removal</li>
<li>Power button to switch everything on and off without messing with the plugins page</li>
</ul>

TIEdupedeleter Simple Duplicate Post Deleter

Simple duplicate post deleter. Trashes duplicate posts based on status and category. Keeps newest or oldest original copy.

Media Expirator vs TIEdupedeleter Simple Duplicate Post Deleter