GrandSlambert

<p>Display posts from selected taxonomies in your sidebars. Multiple formats including featured images are possible.</p>
<h4>Features</h4>
<ul>
<li>Display posts with additional options from any or all entries in a slected taxonomy in your sidebars.</li>
<li>Option to display on posts in the same categories as the current post on single post pages.</li>
<li>Fully templated – add more templates in your own theme and select them in your widgets. Includes four templates.</li>
<li>Creates two new image sizes for use in widgets – set the sizes on the options screen.</li>
<li>Use the category title or write your own title, even link the title to the category (if one selected).</li>
</ul>
<h4>Languages</h4>
<p>This plugin includes the following translations. Translations listed with no translator were created by the plugin developer using Google Translate. If you can improve these, you can get your name listed here!</p>
<ul>
<li>German</li>
<li>French</li>
<li>Italian</li>
<li>Spanish</li>
</ul>


Pretty Sidebar Categories

Display posts from selected taxonomies in your sidebars. Multiple formats including featured images are possible.

mustansir

<p>This plugin allows you to add a dashboard widget that manages specific taxonomies (Such as tags and categories or any custom taxonomy). Specifically the dashboard widget makes it easy to remove a post from a taxonomy of any kind.</p>
<p>Those who have themes, plugins, widgets that use the wordpress taxonomy system to place posts in various lists will find this plugin especially useful.</p>
<p>This plugin allows you to add a dashboard widget that manages taxonomies. It easy to remove a taxonomy term applied to a post.</p>


Category Manager

The WP Category Manager plugin makes it easier to manage any taxonomy that is used to control the posts within widgets in the presentation layer

Pretty Sidebar Categories vs Category Manager