This plugin will add post thumbnail to RSS feed items. Add signatur or simple ads. Create fulltext RSS (via special url).
Automatically re-publishes blogposts to Facebook, Twitter, Google+, Pinterest, LinkedIn, Blogger, Tumblr, Delicious, Plurk, etc profiles and/or pages
Pollen Publisher Tools will add recommendation, realtime, analytics widgets to WordPress post and pages. To create account, go to https://getpollen.co
This plugin automatically submits published posts from your blog to thousands of social accounts (Facebook, Tweeter, Google Plus) in Markething.Me.
Add a Flipboard magazine widget (https://share.flipboard.com/) to your sidebar