An Awesome Social icons for your widget
Fetches total share counts for your blog posts on Facebook and sorts the most shared ones and their total share counts.
WP Delicious Sidebar Widget that will display your most recent del.icio.us bookmarks in your blog in any of your sidebar locations.
Allow users to create an account and sign in to your site with Facebook, adds your posts/pages to the Facebook Open Graph, and makes the new Facebook
Increase social sharing by displaying social media about your website on your website.