svil4ok

Adds a list of XHTML compliant graphic links at the end of your posts that allow your visitors to easily submit them to a number of social bookmarking sites.
Social sites:
<pre><code>* Svejo
* Favit
* Facebook
* Twitter
* Edno23
* Dao
* Delicious
* Google Buzz
* Google Bookmarks
* Digg
</code></pre>
<a href="http://dev.svil4ok.info/wordpress/add-to-social/" rel="nofollow ugc">Demo</a> | <a href="http://dev.svil4ok.info/wordpress/add-to-social/" rel="nofollow ugc">Plugin information</a>

Add To Social

utahta

This plugin inserts social share links at the top or bottom of each post. 
For theme developers, social share links can be added by PHP code or by using shortcode. Check documentation for this use-case.
This plugin documentation can be found <a href="https://github.com/utahta/WP-Social-Bookmarking-Light/wiki" rel="nofollow ugc">here</a>.
This is the list of used social sites:
<ul>
<li>Hatena</li>
<li>Facebook Like Button</li>
<li>Facebook Share Button</li>
<li>Facebook Send Button</li>
<li>Twitter</li>
<li>Tumblr</li>
<li>Google Bookmark</li>
<li>Google +1</li>
<li>Delicious</li>
<li>Digg</li>
<li>reddit</li>
<li>LinkedIn</li>
<li>Instapaper</li>
<li>StumbleUpon</li>
<li>mixi Check</li>
<li>mixi Like</li>
<li>GREE Social Feedback</li>
<li>atode (toread)</li>
<li>LINE</li>
<li>Pocket</li>
<li>Pinterest</li>
</ul>

WP Social Bookmarking Light

This plugin inserts social share links at the top or bottom of each post.

Add To Social vs WP Social Bookmarking Light