What are some alternatives?
When comparing Font Awesome and IconPharm, you can also consider the following products
Flaticon - A database of free vector icons.
Google Fonts - Making the web more beautiful, fast, and open through great typography
IcoMoon - IcoMoon is an icon management tool that is build to provide iconography.
IconArchive - Search through more than 735,000 free icons. Browse icons by category, artist, popularity, date. Organize and share your favorites.
Fontello - Tool to build custom fonts with icons.
The Noun Project - Creating, Sharing and Celebrating the World's Visual Language