What Font Is - Find any font from any image (commercial or free)
AMP Font Viewer - Jump to Download - Download.
Adobe Capture - Turn any photo into a color theme, Look, vector graphic, or unique brush that you can use in your creative projects with Adobe Capture.
Font Viewer - Font Viewer is an application which does exactly that - it views fonts!
Font Flame - Tinder for font pairing
FontFace ninja - A browser extension to identify and try fonts on any website