MacType - MacType render windows font smoothly and much more convenient to read.
ClearType Tuner PowerToy - Windows XP and Vista users can use the online ClearType Tuner, or the ClearType PowerToy to...
fontconfig - Fontconfig is a library for configuring and customizing font access. Fontconfig can:
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.
Typograf - Typograf previews, prints and manages opentype, truetype, type1 and printer fonts.
NexusFont - Choose and manage your fonts with Nexus Font.