A bitmap font creation tool that creates tightly packed font pages from TTF fonts, some of the features include:

Unicode support.
A plugin architecture for custom exporters and previewers.
The ability to texture map created fonts.
The ability to use unique characters from a user entered or loaded text file.
Drop shadows and font colouring.
Source TTF files from the system, zip and singular TTF files.
Scriptable Colour presets.
SDK for writing custom plugins.