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!
Google Fonts - Making the web more beautiful, fast, and open through great typography
Font Generator - Tons of font ideas in one click
FontFace ninja - A browser extension to identify and try fonts on any website
Typographic Project - Offers inspiration for using Google’s font library
Owlead - Grow your Twitter with valuable followers, effortless