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.
Font Squirrel offers hand-selected typefaces, fonts and webfonts that 100% free to use, presented in an easy-to-use format.
DaFont is an archive of free downloadable fonts. You can browse by alphabetical listing, by style, by author or by popularity.
Alternatype helps you find free fonts with similar features to the most famous typefaces.