These are all server softwares but are in the Specialized P2P section and not in the Server Software section.
gnump3d
http://www.slyck.com/prog.php?id=361
MyDiskServer
http://www.slyck.com/prog.php?id=429
zFTPServer Suite
http://www.slyck.com/prog.php?id=396
Easy File Sharing Web Server
http://www.slyck.com/prog.php?id=293
HFS - Http File Server
http://www.slyck.com/prog.php?id=314
Tunevine Media Server
http://www.slyck.com/prog.php?id=441
WWW File Share Pro
http://www.slyck.com/prog.php?id=315
I understand that the software section did not have a separate server category when it was created in 2004, when many of these entries were originally submitted.