ThePilot

This plugin will create categories for pages only, different from the categories assigned to posts. It will also list these page-only categories on the WordPress Dashboard, so you can sort pages by category on the dashboard.

Create Categories For Pages Only

This plugin will create categories for pages only, different from the categories assigned to posts.

FolioVision

Simple plugin which allows you to mass edit the description fields of your choice. In current version of the plugin it is possible to mass edit except the description fields also titles of pages, posts and categories and for posts it is additionally possible to edit keywords
<a href="http://foliovision.com/seo-tools/wordpress/plugins/foliopress-descriptions" rel="nofollow ugc">Support</a>
Supported description fields:
<ul>
<li>All In One SEO Meta Description</li>
<li>Thesis description</li>
<li>WordPress post excerpt</li>
</ul>

FV Descriptions

Simple plugin which allows you to mass edit the description fields of your choice.

Create Categories For Pages Only vs FV Descriptions