Looks good and behaves well. Does not need installation. The executable is ready to go. You drag your folder of fonts into the window in the left column, you push the tiny button after it turns to green all your beloved fonts are available to you into programs without needing to burden the fonts directory...
Free to use
Wonderful minimalist interface with good choice of controls
Expensive price to pay for a license the user has already paid for. Aside from being a standalone Digital Asset Management (DAM) tool focused on fonts, it's highly used purely as plugins for Adobe products (which are similarly also well known for high cost licensing & upgrades) .