Aby Rafa

Show meta description in your homepage, single post and page. This plugin helps you to attract visitors and boost traffic. Just plug and play. (WordPress Simple SEO – Meta Description).
If you want to know how this plugin works, right click on your page and then select view page source. You will see your meta description between the header tag.
<ul>
<li><a href="http://wp.labnul.com/plugin/one-meta-description/" rel="nofollow ugc">Plugin Homepage</a></li>
</ul>

One Meta Description

Show meta description in your homepage single post and page. (Wordpress Simple SEO - Meta Description).

sh1zen

Flexy SEO contains most requested features for your website seo, carrying many options to optimize and analyze the SEO of your website. 
All customizable in few and easy steps.
WHY USING Flexy SEO (WPFS)?
<ul>
<li>All In One: WPFS carries many features to bring you a full control on the SEO.</li>
<li>Easy to use: WPFS was designed to be intuitive, allowing also non experts to be able to make that changes to have a great website. </li>
<li>Performances oriented: WPFS is built to speed up your site, every single module is optimized to ensure the best performance.</li>
<li>Privacy: WPFS does not collect nor send any data.</li>
<li>No subscription email is asked or required.</li>
<li>Free.</li>
</ul>
BENEFITS
<ul>
<li>Improvements in search engine result page rankings. </li>
<li>Fast and with a lower memory usage compared to other SEO plugins.</li>
</ul>
FEATURES
<ul>
<li>Full control over SEO.</li>
<li>Webmaster tools: allow site verification (Google, Bing, Yandex, Baidu).</li>
<li>Social support: support open graph by facebook and metacard data for Twitter, furthermore allow site verification and profile connection in schema.org info (Facebook, Linkedin, Twitter, …).</li>
<li>Adaptive: easy adapts to custom post types or custom taxonomies.</li>
<li>Knowledge Graph.</li>
<li>Standard Breadcrumbs.</li>
<li>Flexed Breadcrumbs: a powerful tool to help you create personalized breadcrumb structure.</li>
</ul>
DONATIONS
This plugin is free and always will be, but if you are feeling generous and want to show your support, you can buy me a 
beer or coffee <a href="https://www.paypal.com/donate/?business=dev.sh1zen%40outlook.it&item_name=Thank+you+in+advanced+for+the+kind+donations.+You+will+sustain+me+developing+FlexySEO.&currency_code=EUR" rel="nofollow ugc">here</a>, I will really appreciate it.

Flexy SEO

Optimize your WordPress website for search engines (SEO) and improve the search engines ranking with this flexible plugin (WPFS).

One Meta Description vs Flexy SEO