Mario Peshev

DevriX

This is a fork of WP Selected Text Sharer which hasn’t been maintained for a few years.
Allows you to share/search selected text from your site – select a snippet, search for it or share it to popular social networks. A small popup is displayed above the selected text which contains links to share/search selected text.
<h4>Instructions</h4>
<ul>
<li>
When a user selects a text snippet in a page or post of your site, a popup is displayed. When that quote is tweeted (or shared in another social network), the selected Quote and the link to that blog post is also shared in the following network. Hence increasing site visibility.
</li>
<li>
Search engines (Your site’s search / Google adsense search / Yahoo search etc …) can also be added to the popup.
</li>
<li>
Apart from sharing texts only, this plugin also acts like a social bookmarking button.
</li>
</ul>
<h4>Features</h4>
<ul>
<li>Lightweight, 4KB jquery plugin is required.</li>
<li>Various color/style and option arguments.</li>
<li>Automatic selected text truncation for Twitter.</li>
<li>Shorten the post link using Bitly.</li>
<li>Load the scripts either in header or footer.</li>
<li>Simple and light interface.</li>
<li>Template system for adding links to the popup.</li>
<li>No knowledge of coding required.</li>
<li>Integration with <a href="https://wordpress.org/plugins/wp-socializer//" rel="ugc">WP Socializer plugin</a></li>
</ul>
<h3>Credits</h3>
Core jQuery plugin, original WP Selected Text Sharer plugin by Aakash Chakravarthy (<a href="https://profiles.wordpress.org/vaakash/" rel="nofollow ugc">vaakash</a>)

DX Share Selection

Allows you to share/search selected text from your site - select a snippet, search for it or share it to popular social networks.

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.

DX Share Selection vs Share+ by Grouptivity