DaFont is an archive of free downloadable fonts. You can browse by alphabetical listing, by style, by author or by popularity.
Fonts In Use is a public archive of typography indexed by typeface, format, industry, and period. Perfect for inspiration and font selection.
CSSans Pro is a colorful, sassy, CSS font created by Izabela Andronache and Codrin Pavel. You can use it for free on your next project.
Google Fonts is the world’s best Web Font service, offering an intuitive and robust collection of open source designer web fonts.