Author: Lew Ayotte @ leenk.me leenk.me automatically publishes a tweet to your Twitter account and a status update to your Facebook profile and/or page whenever you publish a new post in your WordPress website
Installation:
This section describes how to install the plugin and get it working. Upload leenkme directory to the /wp-content/plugins/ directory. Activate the plugin through the Plugins menu in WordPress. Create a leenk.me account here to get a leenk.me API and to set up your social networking options. Update the leenk.me plugin options with your leenk.me API Key and set any plugin options. Next time you publish a new post it will auotomatically be sent to leenk.me and distributed to your social networks.
faq:
Where can I find help or make suggestions? http://leenk.me/contact

Author: LinksAlpha Lets users Retweet, Share and Like pages from your site back to their Twitter followers and Facebook friends with just one click. The user experience is similar to Facebook Like button but expanded to Twitter and Facebook Share as well ! Screenshot: http://cdn.linksalpha.com/static/1clickwidget.png. You can interact with the plugin at http://dev30.linksalpha.com/?p=8
Installation:
Upload la-click-and-share.zip to /wp-content/plugins/ directory and unzip it. Activate the Plugin from "Manage Plugins" window
faq:
After plugin upgrade it doesnt work? Deactivate and then Activate the plugin. If by default it shows as activated, then click on deactivate and then click on activate. What if I have more questions? Go to http://help.linksalpha.com/1-click-retweet-share-like/faqs for list of FAQs and corresponding answers. Question still not answered? Email us at discuss@linksalpha.com

Author: CoderPlus The plugin adds the new Official Twitter Tweet Button on your blog or site. You can easily configure the tweet button from your WordPress Dashboard. For more information visit Tweet Button
Installation:
Upload the WP-TweetButton plugin to your blog, Activate it, and configure it from the TweetButton Menu in your WordPress Dashboard. 1, 2, 3: Youre done!

Author: Jettochkin en: "Cloud" groups and users of your social network with highly customizable display You have a lot of communities? Want to show users a maximum of groups? Install this widget
Installation:
Upload jet-site-unit-could.php to the /wp-content/plugins/ directory Activate the plugin through the Plugins menu in WordPress MU Add widget to site Set Title, Count and more options

Author: EBO Zingiri Forum is a plugin that integrates the powerfull myBB bulletin board software with WordPress. It brings one of the most powerfull free forum softwares in reach of WordPress users
Installation:
Upload the zingiri-forum folder to the /wp-content/plugins/ directory Ensure the directory /zingiri-forum/cache is writable (chmod 777) Activate the plugin through the Plugins menu in WordPress Go to the WordPress Settings page and find the link to the Admininistration Panel of Zingiri Forum, login with the default user admin and password admin. Please visit the Zingiri for more information and support.
faq:
Please visit the Zingiri for more information and support.

Author: Marco Scheffel You have replaced the default WordPress comments template with the Facebook ? Then this plugin is what you need
Installation:
Extract facebook-comment-control.zip to the /wp-content/plugins/ directory Activate the plugin through the Plugins menu in WordPress Go to the settings page under Settings | Facebook Comment Control and specify your Application ID, your Secret Key and your profile UID (NOT the username. Check: http://www.youtube.com/watch?v=DWYOMPd0Yco)
faq:
I have installed the plugin according to the manual, but I get an error like Warning: file_get_contents(https://graph.facebook.com/oauth/access_token?type=client_cred&client_id=YOUR_APP_ID&client_secret=YOUR_SECRET) [function.file-get-contents]: failed to open stream: No such file or directory Your server might be behind a proxy. * Just visit the page mentioned in the error code (https://graph.facebook.com/oauth/access_token?type=client_cred&client_id=YOUR_APP_ID&client_secret=YOUR_SECRET) * Copy the code after access_token= * Go back to the settings page of Facebook Comment Control and put that code into the field Custom token * Save and everything should work Why do I only get a blue bar and a placeholderimage on my dashboard. Have you set up the Facebook application correctly? Go to Facebook -> Developers app -> Edit my apps -> edit the app for your blog -> Connect -> Connect-URL must be Blog-URL

Author: 0xTC This plugin easily implements Twitters own Tweet Button on your blog or site. The tweet button can be positioned as you please and can be styled to your delight in the settings page
Installation:
Follow the steps below to install the plugin. Upload the WP-Tweet-Button directory to the /wp-content/plugins/ directory Activate the plugin through the Plugins menu in WordPress Go to Settings/Tweet Button to configure the button. Add your Twitter account.

Author: EBO Zingiri Web Shop is a WordPress plugin that turns a great content management system into a fantastic e-commerce solution
Installation:
Please visit the Zingiri website for installation instructions.
faq:
Please visit the Zingiri forums for more information.