Better Google Font Finder - Sort & compare Google Fonts by their visual attributes.
What Font Is - Find any font from any image (commercial or free)
Google Fonts - Making the web more beautiful, fast, and open through great typography
FontJoy - Get smart font pairings in one click
Fonts Ninja - Try fonts discovered on websites in any design software
Fontless - A simple, privacy-focused way to self-host Google Fonts.