The Open Directory Project offers an excellent selection of links for FreeBSD, including a list of prominent users which can be helpful for marketing purposes.
Articles in the press about FreeBSD.
The following newsgroups contain discussion pertinent to FreeBSD users:
The FreeBSD project's current statement about its Year 2000 compatibility.
If you like digging your fingers into source code, here is a hypertext version of the FreeBSD kernel source. This is brought to you courtesy of Robert Watson.
The industry leader in BSD news.
Like FreeBSD itself, this documentation is the product of a volunteer effort. The goals of the project are outlined here, as are the procedures for submitting corrections and new material.
The FreeBSD Diary is a collection of how-to entries aimed at UNIX novices. The aim is to provide a set of step-by-step guides to installing and configuring various ports.
The BSD Dev Center includes two regular columns on FreeBSD, featuring tips and tutorials.
BSDForums.org includes active online forums and news community site dedicated to FreeBSD and other BSDs.
BSDGuides.org hosts many BSD-related tutorials.
4.4BSD Documents: This is a hypertext version of the 4.4BSD documents from /usr/share/doc, where you will find the documents on a FreeBSD machine (if you install the doc distribution).
Info Documents: This is a hypertext version of the Info documents from /usr/share/info, where you will find the Info documents on a FreeBSD machine (if you install the info distribution).