Phil Lehmann

This plugin is made for:
<ul>
<li>Search through all fields in Media Library, including: ID, title, caption, alternative text and description.</li>
<li>Search Taxonomies for Media, include the name, slug and description fields.</li>
<li>Search media file name.</li>
<li>Use shortcode <code>[msp-search-form]</code> to insert a media search form in posts and template files. It will search for media by all fields mentioned above.</li>
</ul>

Media Search Plus

Search through all fields in Media Library to actually find something.

Mario Peshev

DevriX

DX Delete Attached Media

Does exactly what its supposed to do. Been looking for a plugin like this for some time.

Great plugin

Automatically deletes attached media from posts and custom post types added via the Media button.

Media Search Plus vs DX Delete Attached Media