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.
Sometimes, flat just doesn’t cut it, and we need to find other, more attractive ways to present designs to our customers. One technique I’ve been using recently works remarkably well for text, logos and other vector artwork.
... is an online application for comparison of the fonts for the screen. Its primary role is to make web designer’s life easier. As the new fonts are bundled into operating systems, the list of the common fonts will be updated.