If you like Font Awesome, you're going to love Black Tie!
             

fa-share-alt · Unicode: f1e0 · Created: v4.1 · Categories: Web Application Icons, Brand Icons

After you get up and running, you can place Font Awesome icons just about anywhere with the <i> tag:

fa-share-alt
<i class="fa fa-share-alt"></i> fa-share-alt

Looking for more? Check out the examples.