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

fa-circle-o-notch · Unicode: f1ce · Created: v4.1 · Categories: Web Application Icons, Spinner Icons

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

fa-circle-o-notch
<i class="fa fa-circle-o-notch"></i> fa-circle-o-notch

Looking for more? Check out the examples.