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.

Chris Clark

SocialList.org spreads your content across the Internet by making it easier for your website visitors to share it with other people. Social bookmarking sites are a popular way to store, classify, share and search links. In a social bookmarking system, users store lists of Internet resources, which they find useful. These lists are both accessible to the public or a specific network, and other people with similar interests can view the links by category, tags, or even randomly. Our simple yet powerful widget and plugins are very easy to install. SocialList Bookmarking Widget is the best tool to help your website visitors create a buzz for your site and increase its ranking and popularity.
<h3>Upgrade</h3>
<ol>
<li>First deactivate Sociallist</li>
<li>Remove the sociallist-social-bookmarking-widget directory</li>
<li>Unzip the sociallist-social-bookmarking-widget...zip file.</li>
<li>Upload the the sociallist-social-bookmarking-widget folder (not just the files in it!) in your 
wp-contents/plugins folder. If you’re using FTP, use ‘binary’ mode.</li>
<li>In your WordPress administration, go to the Plugins page</li>
<li>Activate the Sociallist plugin and a subpage for Sociallist will appear 
in your Options menu.</li>
</ol>

Sociallist

Allow websurfers to save and share interesting pages. The plugin appends widget for popular social bookmarking sites to the end of blog’s posts.

Share+ by Grouptivity vs Sociallist