Andrew Woods

A functionality plugin is one that provides a common set of functionality that is 
used across a wide range of WordPress based websites. This plugin contains a set 
of functionality that has been deemed useful by the Seattle WordPress community.
<ul>
<li>Contact Form shortcode</li>
<li>Popular posts widget</li>
<li>Random post widget</li>
<li>provides an easy way to disable some meta info from wp_head</li>
</ul>

Seattle WordPress Functionality

Provides some essential site features: Google analytics, popular posts widget, random post widget, contact form short code, easily modify wp_head.

krishna711

Plugin now support custom taxonomy. Tested with Woocommerce, FoxyShop and WP-ECommerce
Localization support added.
Fixed meta title bug in 2.1. Thanks to phil who reported this bug. 
Added meta tags support for tag pages.
Allow you to add custom meta tags for category and tag pages. This plugin specially designed to work with All In One SEO plugin. If you are using other seo plugin such as HeadSpace2 or SEO Title Tags plugin then this plugin is not for you because this plugin already supporting meta tags for category pages.
Note before upgraded: 
Title tags implemented in a completely new way. If you are previous user and want to upgrade then you need to edit all-in-one-seo-pack again. Old editing will not work with this version. see installation tab for more details.
Version 1.1 optimized for wordpress 3.0 and above. Do not upgrade if you are using wordpress version earlier then 3.0. 
Peoples are using wordpress lower then 3.0 should use 1.0 version.
<h4>Translators</h4>
<ul>
<li>Russian (ru_RU) – Sergey Yakovlev</li>
</ul>
<h3>Follow Me</h3>
Follow me on Twitter to keep up with the latest updates <a href="http://twitter.com/balakrishna/" rel="nofollow ugc">Bala Krishna</a>

Category SEO Meta Tags

Plugin now support custom taxonomy. Tested with Woocommerce, FoxyShop and WP-ECommerce

Seattle WordPress Functionality vs Category SEO Meta Tags