mlemos

Currently, this plugin can:
<ul>
<li>Make 404 pages return HTTP status 200 and have the tag to hint search engines like Google, Bing, Yahoo, Yandex, and others to remove from the search index right after the pages are crawled.</li>
</ul>

4DUser SEO

This plugin helps site administrators solve search engine issues like removing faster from Google index pages that were infected by malware.

jim912

“PS Auto Sitemap” is a plugin that automatically generates a site map page from your WordPress site.
It is easy to install for beginners and easy to customize for experts. 
It can change the settings of the display of the lists from administration page, several neat CSS skins for the site map tree are prepared.
When you use WordPress as CMS of the Web site, you can expect the effect of SEO, improvement of the usability, and so on.
<h4>Functions of “PS Auto Sitemap”:</h4>
<ul>
<li>Display/hide of particular home.</li>
<li>Display/hide of particular categories and posts.</li>
<li>Display/hide of pages.</li>
<li>Limitation of the depth of the list.</li>
<li>Set the display order of the page list and the post list.</li>
<li>Combine/Divide category & post</li>
<li>Set the excluded categories from the list.</li>
<li>Set the excluded posts and pages from the list.</li>
<li>Select the display style of the site map from 12 prepared designs (or no style).</li>
<li>Use or not caching sitemap content.</li>
</ul>
<h4>Latest change</h4>
<ul>
<li>
1.1.9
<ul>
<li>Compatible up to WordPress 4.2.2</li>
<li>bugfix: Strict Standards error.</li>
<li>change: Detele developper link option(force no link)</li>
</ul>
</li>
<li>
1.1.8
<ul>
<li>Compatible up to WordPress 3.7</li>
<li>bugfix: Deprecated error.</li>
</ul>
</li>
<li>
1.1.7
<ul>
<li>Compatible up to WordPress 3.6</li>
</ul>
</li>
<li>
1.1.6
<ul>
<li>Compatible up to WordPress 3.4</li>
</ul>
</li>
<li>
1.1.5
<ul>
<li>bug fix: Notice error and Deprecated functions and arguments.</li>
</ul>
</li>
<li>
1.1.4
<ul>
<li>Compatible with WordPress 3.3</li>
<li>bug fix: Notice error and Deprecated functions and arguments.</li>
</ul>
</li>
<li>
1.1.3
<ul>
<li>bug fix: Fatal error has occurred in PHP4</li>
</ul>
</li>
</ul>
<h3>Links</h3>
“<a href="https://wordpress.org/extend/plugins/ps-disable-auto-formatting/" title="WordPress editting support plugin">PS Disable Auto Formatting</a>“Stops the automatic forming and the HTML tag removal in the html mode of WordPress, and generates a natural paragraph and changing line.
“<a href="http://www.prime--strategy.co.jp/" title="CMS service with WordPress" rel="nofollow ugc">CMS service with WordPress</a>” provides you service that uses WordPress as a CMS.
<h3>Special Thanks</h3>
= Translation: = 
* English <a href="http://blog.dacelo.info/" title="Translation" rel="nofollow ugc">dacelo</a> 
* Spanish <a href="http://www.yovivoenvigo.com/" title="Yo vivo en Vigo" rel="nofollow ugc">Alejandro</a>
<h4>Sitemap style:</h4>
<ul>
<li>Cube <a href="http://www.yovivoenvigo.com/" title="Yo vivo en Vigo" rel="nofollow ugc">Alejandro</a></li>
</ul>

PS Auto Sitemap

Auto generator of a customizable and designed sitemap page.

4DUser SEO vs PS Auto Sitemap