Make your content easy to tweet with Quotable. Quotable enables your readers to share your notable quotes quickly and easily on Twitter by automatically adding a “Tweet this!” button to blockquotes and selected text in your existing content. Retina ready and automatically matches your site’s theme. No configuration required.
The Facebook plugin for WordPress adds Facebook social plugins to your WordPress site. Associate your WordPress site with a free Facebook application identifier to enable advanced features such as automatically sharing new posts to an author’s Facebook Timeline or your site’s Facebook Page. This plugin is developed by Facebook with extra support for popular plugins and themes, custom post types, and custom post statuses.
DW Social Share is a free, lightweight plugin that will enable the social sharing for your WordPress Site. Include tons of style and support various of social networks, This plug-in will be the best transportation to transmit your information to the user.