oneline

A Simple plugin which adds a widget to your wordpress admin widget area which you can then assign to the side bar etc… features are as follows:
Allows you to set your user / social ID’s 
Allows you to switch from icons or text links 
Allows you to turn social button / links on or off
Supported Social Sites:
Facebook 
Twitter 
Linkedin 
RSS

Easy Social Share

A Simple plugin which adds a widget to your wordpress admin widget area which you can then assign to the side bar etc...

wanakijiji

Hatena Connectは、はてなブックマークとWordpressブログを結びつけるプラグインです。 
はてなIDを設定すると、このWordpressブログがブックマークされた際に以下のサービスに通知が届きます。
<ul>
<li>はてなサイトの「あなたへのお知らせ」</li>
<li>はてなアプリの「通知」</li>
<li>Chrome拡張機能の「はてなのお知らせ」</li>
</ul>
Hatena Connect connects your wordpress blog with Hatena. 
You’ll get notifications on the following service when someone bookmarks your wordpress blog.
<ul>
<li>“Notifications for you” on Hatena Website</li>
<li>“Notifications” on Hatena App</li>
<li>“Hatena Notify” Chrome Extension</li>
</ul>

Hatena Connect

Connect your wordpress blog with Hatena to get notifications on Hatena website, app, chrome extension.

Easy Social Share vs Hatena Connect