These are websites that contain useful information for FreeBSD users. They do not rehash information that is available at http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/index.html.
These site provide useful, additional, unique information for FreeBSD users.
Review the handbook at www.freebsd.org, if your site provides useful information not found at www.freebsd.org please consider submitting your site to this category.