Typicons – Free Icon Font With Vector Source
Typicons is a beautiful set of free icons that is built with websites/apps in mind.
The set comes as a web-font and vector (.EPS) so that you can use it in multiple ways.
There are 90+ items in the pack and they can be used for both free + commercial projects.
P.S. You should also check another WRD post for more icon fonts: Free Icon Fonts For Today's Web Designer.