A short list of font related sites.
Fonts.com    Fonts.com is the Internet's number one font resource. On fonts.com, you'll find the Internet's best selection of fonts for preview, purchase and immediate download. Fonts.com is also the place to find the latest typographic news, tips, and typeface releases. Thousands of creative professionals rely on fonts.com's resources every month.
Agfa Monotype    Agfa Monotype provides thousands of typefaces to creative professionals and corporations around the world. Agfa Monotype's fonts and color management solutions can be found throughout the global graphics industry.
ITC    (International Typeface Corporation) Search through the vast, growing typeface library of ITC, now a subsidiary of Agfa Monotype.
MyFonts    An overwelming number of fonts on this site. This is a professional operation that can be relied on for a quality product.
Adobe Systems    The same people who brought you Postscript and desktop publishing. A large font library and an impressive suite of design tools.
Bitstream    The first digital font foundry, started back when typesetting was something done in a proprietary environment and a personal computer was the calculator on your desk.
Galapagos Design    A custom font design/development operation with a small but eclectic library of original designs.
Microsoft Typography    If you've got questions about font technologies, go here. In the middle of Truetype development and the creators(along with Adobe Systems) of Opentype.
Apple/Fonts    The people who built the machines that allowed Adobe to deliver Postscript and desktop publishing. They put 'point and click' on the map and they developed the original specification for Truetype.
Fontlab    An all singing all dancing font development tool suite. The tools are up-to-date. This tool encompasses all things involved with digital typography.
Fontographer    The original font development tool.
Graphics Converter    This isn't a font tool but if your on a Mac this tool is real nice for dealing with graphic images of just about any kind.
Font Bureau    Mr Berlows (an ex-Bitstreamer) library of original designs and professional typographic services.
Identifont    Identify a font by answering a few questions about the letters in a font your trying to locate and get a list of typefaces that fit the description you supply.
Emigre    A font library full of contemporary and original designs.
CodeLifter    A great place to go for routines you might need for your web site. The javascript slideshow on our home page is run using one of their routines.