Fonts In Use - Type in the real world: an amazing archive of typography.
Google Fonts - Making the web more beautiful, fast, and open through great typography
Fontstand - Try fonts for free or rent them by the month for desktop use
Typewolf - Typewolf helps designers choose the perfect font combination for their next design project—features web fonts in the wild, font recommendations and learning resources.
Type Genius - Find the perfect font combo for your next project
FontJoy - Get smart font pairings in one click