endsoftdesign

Inserts Google + 1 Button in your site from the Dashboard. No code necessary!
You do not need to edit the theme. New GooglePlusOne is the easy way to insert the Google+1 in your site without have programming knowledges.
Features
Google + 1 will be added automatically in all your posts and pages. You can customize the place where the button will appear, by changing its position or by choosing another HTML element which will contain it.
Also, you can choose to have a single Google + 1 button in your site’s header.
<h3>Markdown</h3>
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New GooglePlusOne

Inserts Google + 1 Button in your site from the Dashboard. No code necessary!

magnetik

Simply add the google +1 button to sharedaddy.
Please note :
<ul>
<li>Language option is not working at the moment</li>
<li>This plugin is at it’s early stage of developpment. Use just for testing and feedback to : <a href="http://magnetik.org/en/tech/wordpress/english-google-plus-one-1-button-for-sharedaddy-jetpack/" rel="nofollow ugc">http://magnetik.org/en/tech/wordpress/english-google-plus-one-1-button-for-sharedaddy-jetpack/</a></li>
</ul>

Google plus one (+1) button for Sharedaddy (Jetpack)

Add Google plus one (+1) button to Sharedaddy (included in jetpack).

New GooglePlusOne vs Google plus one (+1) button for Sharedaddy (Jetpack)