emostarxd

bogdan_nazar

This plugin adds some social functionality to WordPress. Such as FB comments, VK comments, share buttons etc. 
The main capabilities of this plugin is listed below:
<ul>
<li>Internal share buttons (G+,FB,VK,Twitter,Delicious,Pinterest,LinkedIn and more) with ability to select preffered ones.</li>
<li>The tools for ordering internal social buttons.</li>
<li>The tools for “ShareThis” buttons embedding. Instructions are present to get customized ShareThis data.</li>
<li>Facebook and Vkontakte comment widgets.</li>
<li>Option to order them.</li>
<li>Option to switch on/off each of widgets including WP internal comments.</li>
<li>Default language is set to English.</li>
<li>Already translated for russian users.</li>
<li>And more other options to cusomize data and view of comment widgets.</li>
</ul>
This list of available features will grow in the future releases.
<h3>License</h3>
Plugin is free for any use. Don’t delete the authorship note if you’ll going to modify source code under the your needs.

Social Monster

This plugin adds some social functionality to Wordpress. Such as FB comments, VK comments, share buttons etc.

ilya_compman

Плагин позволяет добавлять кнопку «Мне нравится» из социальной сети ВКонтакте (vk.com) к каждой записи в блоге. 
Плагин имеет некоторое количество настроек, перед использованием необходимо создать приложение ВКонтакте.
This plugin adds like widget of social network VK.com to your posts.

Like in Vk.com

Добавляет к постам виджет «Мне нравится» из социальной сети ВКонтакте (vk.com).

Social Monster vs Like in Vk.com