Font Awesome - Font Awesome makes it easy to add vector icons and social logos to your website. And version 5 is redesigned and built from the ground up!
What Font Is - Find any font from any image (commercial or free)
Font Generator - Tons of font ideas in one click
Google Fonts - Making the web more beautiful, fast, and open through great typography
Typographic Project - Offers inspiration for using Google’s font library
Fonts Ninja - Try fonts discovered on websites in any design software