Social networks are the most effective networks for taking your voice to your readers and customers. This is the reason why the majority of websites include social media sharing options in their websites. Each of the major social networks represents an opportunity to place your brand in front of a highly targeted audience – ignore them at your peril.
Today in this post I’m going to share with you most useful social network plugins for WordPress. So let’s hunker down and have a look at how these top 15 social media plugins will help you distribute your content. They are all free. We hope that you will find this list useful.
1. NextScripts
This plugin automatically publishes posts from your blog to your Social Network accounts.

2. Social Media Tabs
Creates a widget, which adds sliding tabs, each with a social network profile or media feed.

3. Slick Social Share Buttons
Add facebook, twitter, google +1, linkedin, digg, delicious, reddit, buffer, stumbleupon and pinterest pin it social media buttons.

4. Social Discussions
Social Buttons for your website and Auto-Publishing of content to Social Networks.

5. Async Social Sharing
Simple social sharing plugin that loads the third-party scripts asynchronously and after the page loads to improve site performance.

6. 1-click Retweet-Share-Like
Adds Facebook Like, Facebook Share, Twitter, Google +1, LinkedIn Share, Facebook Recommendations.

7. WordPress Social Login
WordPress Social Login allow your visitors to comment and login with social networks such as Twitter, Facebook, Google, Yahoo and more.

8. GetSocial
GetSocial adds a lightweight and intelligent floating social media sharing box on your blog posts.

9. WP Greet Box
This plugin lets you show a different greeting message to your new visitors depending on their referrer url.

10. Status Updater
If you have a Facebook profile or page or a Twitter account, this plugin is what you need to connect them with your blog!

11. Social Bartender
Social Bartender adds a new settings page where you can create a list of social network links and place them anywhere you want with one little function or widget.

12. GRA4 Social Network
GRA4 Social Network arms WordPress engine with social network functionality.

13. Make Your Site Social
Make Your Site Social by integrating Gigyas social optimization service into your WordPress site.

14. Follow Me Plugin
The Follow Me widget allows you to display links to all your social media profiles in one, easy-to-access button or window.

15. All In One Social Network Buttons
You can have all social network buttons or box counters from Facebook, Google Buzz, Google+ (Google +1), Twitter, StumbleUpon and many more.

This rounds up our collection of social network plugins for WordPress. Did we miss out on anything? Leave your comments below.
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“You have missed other popular social login plugins like
http://wordpress.org/extend/plugins/loginradius-for-wordpress/
http://wordpress.org/extend/plugins/rpx/
These plugins also enable social sharing and commenting too for wordpress. “