MartinLogan

For Your Readers 
Empower your readers with a social tool for sharing, saving and discovering new content with the click of a button. Our plugin provides social features for sharing content across all major social bookmarking sites and a clipping feature for adding text, images and personalized messages for friends, family and co-workers.
For Publishers 
Download our free content monetization plugin by adding your Google Adsense ID, embedding ads into shared content and keeping all revenue generated by the viral effect of people discussing your articles and blog posts. That’s right, 100% of ad revenue is yours.
The Share+ button offers the following features for readers and publishers:
<ul>
<li>Automatic Plugin Updates</li>
<li>Email This (with private discussions and forum) </li>
<li>Content Clipping (add photos and personalized messages)</li>
<li>Social Bookmarking (all major services and browsers)</li>
<li>Portable Address Book (access all contacts anywhere on the web)</li>
<li>Tracking and dashboard for your blog or website</li>
</ul>
The days of cutting and pasting links are over. With the Share+ button by Grouptivity, your readers get a better experience and tools to track the articles, posts and clips they share with friends. Web publishers get access to a free Content Monetization Platform that allows them to drive 3 times more traffic and make money from the viral spread of their content. Make your content work for you and get started today!

Share+ by Grouptivity

Not just another sharing plugin. Share+ gives readers a simple way to save, share and discover your top content with friends, family and co-workers.

mrsajith

This plugin is for bookmarking your post into stumble,technorati, digg and delicious. You have to do nothing but just activate the plugin. It automatically add the bookmarking options just below to your posts.
Features:
<ul>
<li>Traffic : This plugin increses your website traffic</li>
<li>Cute Look: Transparent plugin will give your blog a nice look</li>
<li>Huge Icons:Since the bookmarking is implemented with huge images, the chances for bookmarking are very high</li>
</ul>
For Example and Details Visit : http://www.sajithmr.me/addtothis-wordpress-social-bookmarking-plugin/
My Technical Blog is : http://www.sajithmr.me
<h3>Arbitrary section</h3>
If you have any queires / complaints regarding this plugin, please feel free to mail me at admin.sajithmr@googlemail.com. Thank you
<h3>A brief Markdown Example</h3>
Ordered list:
<ol>
<li>Simple Installation</li>
<li>Cute Design</li>
<li>Better Placement</li>
</ol>
Unordered list:
<ul>
<li>Increment your traffic</li>
<li>Easy way bookmarking</li>
</ul>
See my blog for technical updates <a href="http://www.sajithmr.me/" title="Technical Digest" rel="nofollow ugc">http://www.sajithmr.me</a> .
<blockquote>
Use addtothis and get traffic into your site. Happy Blogging
</blockquote>

addtothis

Providing option for bookmarking your blog post in stumble,technorati ,delicious and digg

Share+ by Grouptivity vs addtothis