This plugin allows site owners to automatically schedule and reshare their content on Twitter and increase social traffic without lifting a finger.

Floating Social Share bar WordPress plugin let you add social media sharing buttons on your blog posts.

WP Social Ninja allows you to add 12 most popular social network sharing buttons which have different layout styles, you can add social sharing buttons before & after post content or even insert it directly to post content via hand shortcode insert tool specially made for Social Ninja. You can specify global settings for Social Sharing buttons or even set specially tailored designs which can be optimized per each page or post individually.