What are some alternatives?
When comparing FontMap and Installed font viewer, you can also consider the following products
Event Viewer - Get help, support, and tutorials for Windows products—Windows 10, Windows 8.1, Windows 7, and Windows 10 Mobile.
Font Runner - If you have a large collection of fonts, keeping them all in your Windows Fonts folder can be...
PopChar - The character map that works!
Font Viewer - Font Viewer is an application which does exactly that - it views fonts!
font-viewer.com - A browser-based font viewer.
AMP Font Viewer - Jump to Download - Download.