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!
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
Irregular Expressions - Virtual keyboard for writing expressive messages in various text styles
Font Packer - A Sketch plugin to collect font files used in Sketch files