What are some alternatives?
Google Fonts - Making the web more beautiful, fast, and open through great typography
Font Squirrel - Font Squirrel scours the internet in search of FREE, highest-quality, designer-friendly, commercial-use fonts and presents them for easy downloading. We don't have the most, but we do have the best.
Font Awesome - Font Awesome makes it easy to add vector icons and social logos to your website. And version 5 is redesigned and built from the ground up!
Smashicons - Smashicons is an icon set with over 14000 icons for designers and developers.
Typekit - This will change the way you design websites. Add a line of code to your pages and choose from hundreds of web fonts. Simple, bulletproof, standards compliant.
Adobe Edge Web Fonts - Edge Web Fonts is a free service that provides access to a large library of fonts for your web site.