http://x.potteritus.net/hparchive/
A web-directory for Harry Potter fanfiction archives.

http://muggle.macfamily.biz/
A banner exchange for Harry Potter related Fanlistings that are listed at The Fanlistings Network.

http://unconventional.frosti.org/
This is a directory for links to unconventional pairings in the Harry Potter fandom.

http://hplinks.walkingthere.net/
a Harry Potter site directory aiming to bring together all the quality HP fansites in one place.

http://www.potteritus.net/links/
A web-directory that lists any and all websites with the female and/or male slash theme.