Kite Compositor - A powerful animation and prototyping application for Mac & iOS.
Google Fonts - Making the web more beautiful, fast, and open through great typography
Adobe XD - Adobe XD is an all-in-one UX/UI solution for designing websites, mobile apps and more.
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.
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
FontJoy - Get smart font pairings in one click