DaFont is an archive of free downloadable fonts. You can browse by alphabetical listing, by style, by author or by popularity.
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.
Alternatype helps you find free fonts with similar features to the most famous typefaces.
Font Combinations by Canva is a great tool to help you find the perfect font family combinations. A quick way to find which fonts fit together.