Lopo Lencastre de Almeida

Automatically add links to your favorite social bookmarking site on your posts, pages and in your RSS feed. WordPress 2.6 or above and Sociable 3.4.1 or above is required, if you use an older version of those, please upgrade.
More info:
<ul>
<li>More info on <a href="http://yoast.com/wordpress/sociable/" rel="nofollow ugc">Sociable</a>, with info on how to add sites to it, and how to integrate it into your WordPress in other ways.</li>
<li>Check out the other <a href="https://wordpress.org/extend/plugins/profile/ipublicis" rel="ugc">WordPress plugins</a> by the same author.</li>
<li>Also at <a href="http://box.net/iPublicis4Wordpress" rel="nofollow ugc">iPublicis4Wordpress</a>.</li>
</ul>

DoMelhor for Sociable

Automatically add links on your posts, pages and RSS feed to your favorite social bookmarking sites. Requires Sociable 3.4.1 or above.

timgrahl

Adds a Bizsugar voting button to your website. Visitors to your site can vote via the button that appears in your blog articles. The button automatically updates the vote count on the bizSugar.com site. bizSugar.com is a social media submission site for entrepreneurs and small businesses and small business content. Use of the voting button on your site helps share and promote your content.
This plugin gives you customization options for where to place the button in your posts. It offers 4 different styles/sizes of voting buttons. This plugin has been updated for recent versions of WordPress.

bizSugar.com Vote Button

Adds a Bizsugar voting button to your website.  Visitors to your site can vote via the button that appears in your blog articles.

DoMelhor for Sociable vs bizSugar.com Vote Button