Seerox

<p><a href="http://www.seerox.com/" rel="nofollow ugc">Seerox</a> brings another exciting plugin for you. This plugin will allow you to manage different file types in Media Library, So if you want to Enable/Disable any specific file type in media library to upload for Security reasons. Using this plugin you can control permissions for Your Site users to upload specific type of files not only from media library section but also from frontend.</p>
<h3>Features</h3>
<ul>
<li>Adds file extensions that WordPress doesn’t support by default</li>
</ul>


WP Media File Type Manager

WP Media File Type Manager will allow you to manage different file types in Media Library.

Kushang Tailor

<p>Now manage your Media files security with this plugin. This plugin is provide allow and disallow different upload file Mime types to the WordPress Media Library. In other words, Restrict the Mime types or extensions as per your wish.</p>
<p>Almost 96 extensions and Mime types are available.</p>


Restrict WP Upload Type

This plugin is use for to allow and disallow different upload file Mime types to the Wordpress Media Library. Easy to use and flexible.

WP Media File Type Manager vs Restrict WP Upload Type