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)
Themify Icons - A complete set of icons for use in web design and apps, consisting of 320+ pixel-perfect, hand-crafted icons that draw inspiration from Apple iOS 7.
AMP Font Viewer - Jump to Download - Download.
Dashicons - Dashicons is the official icon font of the WordPress admin as of 3.8. The Dashicons project is no longer accepting icon requests. Here's…
Font Viewer - Font Viewer is an application which does exactly that - it views fonts!