What are some alternatives?
NexusFont - Choose and manage your fonts with Nexus Font.
Font Runner - If you have a large collection of fonts, keeping them all in your Windows Fonts folder can be...
FontExpert - FontExpert - Font Manager for Windows, Photo Manager for Digital Photography.
Font Manager - Simple font management for GTK+ desktop environments
Suitcase Fusion - Get your fonts when you need them.
RightFont - The future of font manager software for Mac OS X