alaingg

The plugin replaces your comment form and includes one that also allows to use the facebook credentials.
Special Features:
<ul>
<li>When users comments on your blog they can choose to send notifications to their Facebook Wall.</li>
<li>Notification is automatically sent to the facebook application wall when a comment is submitted.</li>
<li>Simple Facebook Integration.</li>
<li>Using the plugin should increase the traffic and visibility of your blog.</li>
<li>More easy to comment.</li>
</ul>
Visit the <a href="http://web-argument.com/wordpress-comments-switcher/" rel="nofollow ugc">Plugin Page</a> to see the plugin working.

Comments Switcher

Allows users to comment on your blog using the facebook credentials or the default wordpress guest credentials.

Elsner Technologies Pvt Ltd

pankaj.sakaria

If you are looking to boost your online presence by sharing your content with a wider audience, this social media plugin for WordPress is all you need. You can add Google, Twitter, Facebook, and LinkedIn WordPress social share buttons to your posts. Advance Social Sharer is your ultimate plugin that enables improved reach to your target customers across different social media platforms.
Requires WordPress 3.0 and PHP 5.
Features:
<ul>
<li>One-click and integrated sharing of content over social media platforms. </li>
<li>Instant content sharing for viewers on their preferred social media platforms.</li>
<li>Tailored and flexible placement of the social sharing plugin buttons as per your website’s design.</li>
<li>Responsive and optimized plugin for mobile devices.</li>
<li>User-friendly configuration and customization options.</li>
<li>Overall control of the content being placed.</li>
</ul>

Advance Social Sharer

Add social button to your wordpress website for share your post to social network such Facebook,LinkedIn,Twitter and Google.

Comments Switcher vs Advance Social Sharer