FontJoy - Get smart font pairings in one click
Usersnap - Visual Feedback - Usersnap helps your business with its versatile feedback platform to build better, more successful products and services with the help of user feedback. Collect feedback along your product development lifecycle. Try it for free.
Colors & Fonts - Css gradients, color palettes & font pairing 1 click 1 place
Tweakr.io - The fastest way to get visual feedback 📌
Google Fonts - Making the web more beautiful, fast, and open through great typography
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.