Marcus Downing

This plugin improves the All Posts or All Pages view in the admin section by adding columns for 
any taxonomy you wish. There are two ways to use it:
<ol>
<li>Use the setting page to select the taxonomies.</li>
<li>Write code to add a column in exactly the right place.</li>
</ol>

Post Taxonomy Column

Tested up to 3.2.1 Stable tag: trunk Add columns to the All Posts, All Pages and custom post types for any taxonomies.

KrishaWeb

Dilip Bheda

Pratik Gandhi

Girish Panchal

This plugin gives flexibility to user to change posts from one post type to another. Also users can change posts from post type to page.
Features 
• Easy installation 
• Post to other post type or page. 
• Free support
Checkout the advanced features of Post Type Transfer: 
• It provides functionality enable/disable the feature for certain post type. 
• It also provides functionality to transfer the taxonomy while transferring the post to other post type. You can create new taxonomy or use the current one.
<a href="https://codecanyon.net/item/post-type-transfer-pro/21585540" rel="nofollow ugc">Get the Post Type Transfer Pro</a>
<h4>Supported Types</h4>
The plugin will help you to transfer any post’s post type to other post type. It will also allow custom post type. Invisible post types like revision, menu and attachment are purposely excluded

Post Type Transfer

Easy to use

A simple way to change a post's post-type in WordPress

Post Taxonomy Column vs Post Type Transfer