D-Type Font Engine and Grayscale Rasterizer
   Scalable graphics library for smooth (anti-aliased) text and vector based graphics with direct support for TrueType, Type 1 and D-Type fonts.
   http://www.d-type.com/

Dave Emmett's Softy Support Page
   Softy is a shareware editor for TrueType and Bitmap fonts.
   http://users.breathe.com/l-emmett/

Font Fusion
   Bitstream's latest, most advanced font rasterizing engine, a font subsystem that renders high quality characters in any format, at any resolution, on any device.
   http://www.bitstream.com/categories/developer/fontfusion/index.html

FontForge
   A postscript font editor to create postscript, TrueType, opentype, cid-keyed and bitmap (bdf) fonts, or edit existing ones. Also, convert one format to another.
   http://fontforge.sourceforge.net/

FontLab Digital Typography Tools
   Software for font design, creation, conversion, editing and manipulation: FontLab, ScanFont, TypeTool, TransType, FONmaker, and FontLab Composer.
   http://www.pyrus.com/

Fontlab LTD
   Typography tools for editing, converting, designing, and manipulating digital typefaces and font families.
   http://www.fontlab.com/

Type Solutions, Inc.
   Font Fusion font rendering engine technology.
   http://www.typesolutions.com/