As nice scroll is a jquery plugin for WordPress site. This plugin will create a nice scrollbar for your site.
Twitter plugin for developers, plugin that you want and need, fully customizable style, works with multiple hashtags or usernames and you are not limited to only your account for tweets.
s, Share old CPT
The Bookmarklet WordPress plug-in gives you the ability to add social media sharing options to the Posts and Pages of your website.
This plugin automatically converts Twitter usernames and hashtags to Twitter profile- and searchlinks in pages, posts and comments.
A simple shortcodes plugin that allows you to include some of elements as: buttons, parallax image, two table styles, two styles of latest posts, etc
Adds Email, RSS, Facebook, Twitter and other social follow icons to your blog.
Adds 3 cool big social share buttons to your posts and pages (Facebook, Twitter & Google)
Gives commenters the option of Tweeting their comment with a link to your post.
Chat Catcher - http://chatcatcher.com
This is a "Share to Download" plugin, and works for Facebook, Google+ and Twitter.
Posts your blog posts to one or multiple Status.net servers and even to Twitter
A Twitter (v1.1) feed plugin for the developers that's flexible and supports displaying multiple feeds of both user and search timelines.
Upgrade the WordPress Media Manager and add support for Flickr, Instagram, 500px, Facebook etc.
Display a social wall on your WordPress site, with Facebook, Twitter, Instagram, RSS or hashtags contents. Create social wall on www.dialogfeed.com
Easily add an author box bio signature with custom profile image and social profile buttons to the end of each author's posts