WHAT'S YOUR REACTION? With Feelback Reactions your audience can express how they are feeling about your content.
Vuukle is a free comments plugin that acts as an analytics tool, we have many plugins like star ratings, emoticons, trending stories etc.
Sharify lets you add Social Share Buttons for Twitter, Facebok, Google+ and more to your WordPress website easily!
BST share iT - Die Social-Sharing-Buttons die nicht nach Hause telefonieren und geltendes deutsches Recht beachten.
Social media share and bookmark buttons with integrated analytics. Automatically display buttons for those social networks, where visitor registered.
Cool Social Counter for your Post.
Super Cool Plugin for inserting all kinds of Social Bookmarking & Sharing buttons. Has customizable Floating Share Bar, Widgets, Shortcodes also.
Adds a social bookmarking menu to your posts/pages/index. Based on Josh Jones' SexyBookmarks plugin: http://eight7teen.com/sexy-bookmarks