Google Font Directory
The Google Font Directory lets you browse all the fonts available via the Google Font API. All fonts in the directory are available for use on your website under an open source license and are served by Google servers.
The League of Moveable Type
the most well-made, free & open-source, @font-face ready fonts
Font Squirrel : @font-face Generator
Create Your Own @font-face Kits by uploading the fonts you want to use.
Font Squirrel : @font-face Kits
Download and install the Font Awesome free font family by Dave Gandy as well as test-drive and see a complete character set.
Webfonts.info
fonts available for @font-face embedding