What is Font Awesome used for?
Font Awesome is a widely-used icon set that gives you scalable vector images that can be customized with CSS. With over 1,600 icons in the free set, you should be able to find an icon to suit your needs.
Is Font Awesome still free?
Font Awesome is fully open source and is GPL friendly. You can use it for commercial projects, open source projects, or really just about whatever you want.
Is Font Awesome 4 free?
Free, as in Speech
Font Awesome is completely free for commercial use. Check out the license.