Social Media WordPress Plugins
WPSSO Core
Provide detailed, structured information about your content, business and authors to social sites and search engines.
Click to Tweet
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.
NextGEN Facebook Open Graph
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.
Social Networks Auto Poster
Post automatically to any social network, including Twitter, Facebook, Tumblr, Google, and lots more automatically every time you post on WordPress.
wpLike2Get
Easily give your users the opportunity to like or follow you on Facebook, Twitter or Google+ on WordPress to reveal a download link.
JM Twitter Cards
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.
Google Author Link
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.
Instagrate
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.
Social Sharing by Danny
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.
Social
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.
WP To Twitter
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.