With this plugin you can add coordinates to your posts and display maps with these positions. On these maps you can also display KML/KMZ files or the geotags of the images of your post. The plugin fits into the WordPress admin panel, is easy to use and can be individually configured to suit your needs

The Gigya Socialize plug-in aggregates authentication and social APIs from Facebook Connect, MySpace ID, Twitter, Google, Yahoo, LinkedIn, and AOL, giving sites the ability to:

* Authenticate users via Facebook, MySpace, Twitter, LinkedIn, Yahoo and many other OpenID providers
* Promote user activity on social networks by enabling users to invite friends to your site
* Increase site traffic by sending user status updates and newsfeed updates to Social Networks

Global Translator automatically translates your blog in the following 41 different languages: Italian, Korean, Chinese (Simplified), Portuguese, English, German, French, Spanish, Japanese, Arabic, Russian, Greek, Dutch, Bulgarian, Czech, Croatian, Danish, Finnish, Hindi, Polish, Romanian, Swedish, Norwegian, Catalan, Filipino, Hebrew, Indonesian, Latvian, Lithuanian, Serbian, Slovak, Slovenian, Ukrainian, Vietnamese,Albanian,Estonian,Galician,Maltese,Thai,Turkish,Hungarian.

Section Targeting is a way of embedding special tags inside HTML to give Google’s omnipresent spider a better idea of what’s important on your page. This is a really simple plugin that wraps posts and comments inside these tags, in the hope that they’ll lead to better search rankings.

This puts Google RSS Ads in your feed, make sure you fill in your publisher ID by editing the plugin file.

AdSense Now! is the simplest possible way to generate revenue from your blog using Google AdSense. Aiming at simplicity, AdSense Now! does only one thing: it puts your AdSense code in up to three spots in your posts and pages (both existing ones and those yet to be written).

The Google AJAX Translation WordPress plugin provides a quick, simple, and light way to add translation to your blog.

A “Translate” button can be added to the bottom or top of posts, pages, and/or comments. When the button is clicked a popup window opens showing a list of available languages.

You can choose which of the 52 languages to display in the Administration Panel. The list of languages can be shown as text (in the native language of each language), as flag icons, or as both.

The Google AJAX Translation WordPress plugin provides a quick, simple, and light way to add translation to your blog.

A “Translate” button can be added to the bottom or top of posts, pages, and/or comments. When the button is clicked a popup window opens showing a list of available languages.

The Google Analytics for WordPress plugin automatically tracks and segments all outbound links from within posts, comment author links, links within comments, blogroll links and downloads. It also allows you to track AdSense clicks, add extra search engines, track image search queries and it will even work together with Urchin.

Google translation on your sidebar. By adding this widget, the readers are easily to change your language to their languages by just selecting pull down menu. Base language selectable, multi language supported.

This plugin will generate a special XML sitemap which will help search engines like Google, Bing, Yahoo and Ask.com to better index your blog. With such a sitemap, it’s much easier for the crawlers to see the complete structure of your site and retrieve it more efficiently. The plugin supports all kinds of WordPress generated pages as well as custom URLs. Additionally it notifies all major search engines every time you create a post about the new content.

Although this is a premium plug in, you get a lot for the one off $39 fee per single site, making it one of the best business website builder plug ins available.  It allows you to easily create, edit and manage and pre-populate contact forms without the need to understand any programming language.  If you want your potential customers to be able to contact you through your website, this plug in will be great for your business.

Great Real Estate was developed to enable real estate agents, brokers, and REALTORS to display and manage information about their listings in WordPress pages.

Gregarious is a social bookmarking plugin that integrates the new Digg API and Alex King’s Share This plugin, as well as the Reddit button and Feedburner’s Feedflare into one powerful, easy to use package. The AJAX interface makes customization a breeze, and the options put you in control. Gregarious works on a module based system, which means that it can have as many or as little features as you like. Modules available include:

HeadSpace2 is an all-in-one meta-data manager that allows you to fine-tune the SEO potential of your site. Visit the HeadSpace page for a video demonstration.