Ultimate LinkedIn Integration is a free WordPress plugin that lets you connect to the popular business network. You get to control logins & registrations, lock content, use custom redirects, map BuddyPress custom fields to LinkedIn profile fields, and more.
Provide detailed, structured information about your content, business and authors to social sites and search engines.
Add quotes to your WordPress posts and pages which can be tweeted out by your site users. Add the tweet with a simple shortcode anywhere.
Add Open Graph metadata to your site for social media sites like Tumblr, Twitter, Facebook, Pinterest and Google+. Add sharing buttons to posts and pages.
Post automatically to any social network, including Twitter, Facebook, Tumblr, Google, and lots more automatically every time you post on WordPress.
Easily give your users the opportunity to like or follow you on Facebook, Twitter or Google+ on WordPress to reveal a download link.
Easily set up Twitter Cards integration in WordPress, using a few standard options, with the ability to customize further on a post by post basis.
Adds the appropriate metadata to your WordPress posts and pages so that authors can connect Google+ profiles to posts for better SEO. Supports multiple authors.
Easily pull a stream of photos from your instagram account that you can display on your WordPress site in the form of galleries or individual posts with support hashtags and comments.
Add share links for sharing on Twitter, Google+ and Facebook to the bottom of your posts and pages in WordPress. Very lightweight, and you can optionally load in icons with CSS and pop-up windows with JS.
Adds the ability to publish post content on both Facebook and Twitter with custom messages, and to pull in social mentions across these sites back into your comments form with a new template.
Sync your WordPress site with the Twitter API and customize which posts should be automatically tweeted to your account. Control the content of your tweets, and change settings on a post to post basis with a built-in meta box in your post editor.