happymox

Display your selected post and page. 
A very simple plugin to add selectable post and page – for WordPress.
<h4>Features include</h4>
<ul>
<li>Easy to install</li>
<li>Use for any sidebar.</li>
<li>Get post(s) directly by a list of selected posts.</li>
<li>Widget to display the post feature image. </li>
<li>It will be displayed at random as the featured image of any post without an image.</li>
</ul>

Selectable Post and Page

working

Marzio Carro

Adds categories and tags functionality for your pages.
This plugin addsthe ‘post_tag’ and the ‘category’ taxonomies, which are the names of the existing taxonomies used for tags and categories the Post type ‘page’.
This enables the categories metabox and the tags metabox in the New or Edit Page interface.
The plugin has no settings, does not alter the database and only uses hooks to 
achieve it’s goal. It works perfectly fine with Multisite installations.
This plugin WILL NOT add any display of categories or tags to your template files.
Plugin’s website: <a href="http://technotes.marziocarro.com/category/wordpress-plugins/" rel="nofollow ugc">http://technotes.marziocarro.com/category/wordpress-plugins/</a>
Author’s website: <a href="http://technotes.marziocarro.com/" rel="nofollow ugc">http://technotes.marziocarro.com/</a>

Category Tag Pages

Wonderful functionality

Yes, it works. Uses very few lines of code and it's a simple and safe solution to have categories and tags in pages.

It works

Adds categories and tags functionality for your pages.

Selectable Post and Page vs Category Tag Pages