michaelbeacom

Displays the social widgets from Facebook, Twitter, Google+ and Pinterest with your posts. It also adds some meta tags for opengraph and schema.org as recommended by Facebook and Google. The standard method to do this is by filtering the content of the posts, which is controlled by the options in the admin menu. Buttons can also be displayed by the shortcode [sic] with ability to disable individual buttons for that instance of the shortcode. You can also add it to your theme with do_action(‘sic_sharing’); where you want it to render.
Allows some custom text and css insertion as well as most options for the buttons in the admin page. Compatible with html5 (optional).

Sharing is Caring

Displays the social widgets from Facebook, Twitter, Google+ and Pinterest with your posts. Also adds some meta tags for opengraph and schema.org.

ajitae

Google Plus Plugin for WordPress allows you to Add Google Plus Widgets, Google Api Console required. 
Simple and fast, just paste your google plus profile ID under “GP Dashboard” Option Page after installed.
Google Plus Plugin Features
<ol>
<li>Google Plus Stream</li>
<li>Google Plus Profile</li>
<li>Google Plus One</li>
</ol>

Google Plus

Google Plus Plugin for WordPress allows you to Add Google Plus Widgets, Google Api Console required.

Sharing is Caring vs Google Plus