Font Squirrel offers hand-selected typefaces, fonts and webfonts that 100% free to use, presented in an easy-to-use format.
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.
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.
Fonts In Use is a public archive of typography indexed by typeface, format, industry, and period. Perfect for inspiration and font selection.