NexusFont - Choose and manage your fonts with Nexus Font.
The Font Thing - The Font Thing is a freeware program for managing TrueType fonts in Windows 95, Windows 98 and...
Font Manager - Simple font management for GTK+ desktop environments
gdipp - The gdipp project is a replacement of the Windows text render, which brings to you the effect of...
Connect Fonts Powered By Suitcase - A flexible font manager that uplevels the classic desktop application with intuitive search, pairing suggestions, and remote access in the cloud to keep you inspired, no matter where you are.
RightFont - The future of font manager software for Mac OS X