FontAgent Pro is described as 'delivers a deluge of font management features to the Pc and Macintosh... and the creative world will never be the same' and is an app in the OS & Utilities category. There are six alternatives to FontAgent Pro for a variety of platforms, including Mac, Linux, Windows, QuarkXPress and Adobe Illustrator. The best alternative is FontBase, which is free. Other great apps like FontAgent Pro are Font Manager (Free, Open Source), Suitcase Fusion (Paid), Gnome Font Viewer (Free, Open Source) and Font Book (Free).
Manage all of your fonts from one source, no matter how many you have—including your system fonts, purchased fonts, fonts synced from Adobe Typekit, Google Fonts, and more. Turn them on and off as you need.
Font Book is the standard font manager that comes with Mac OS. The program enables users to: Preview and install font files, avoiding multiple instances of the same font. Review installed fonts using various sample texts and sizes.