SwiftNinjaPro

This Plugin embeds the facebook iframe to your website, and makes it responsive to the page width. 
The plugin adds some custom css and javascript to force the iframe to scale larger and fit desktops. 
You can embed as many facebook pages as you want with shortcodes.

Simple Page Embed

Embed a responsive Facebook page to your website.

pastispractice

Add google +1, tweet, and/or fb like buttons to all posts.
All buttons functions and sizes can be controlled on plugin admin page.

plus twit like

Add google +1, tweet, and/or fb like buttons to all posts. All buttons functions and sizes can be controlled on plugin admin page.

Simple Page Embed vs plus twit like