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