Network management tools

Nagios
Cacti
Mrtg
Munin
Rtg
Argus
Jffnms
Zabbix
Healthmonitor
nPulse
BandwidthD

Ip Management Software

Phpip
IPplan

DNS servers

Bind
Djbdns
Dents
Xyria
Powerdns

FTP Clients

PHP FTP Client
Kasablanca
Secure FTP
Web-FTP
net2ftp
phpftp
WTP

Weblog analizers

Analog
Webalizer
Awstats
Lire
Logminer
Yaalr
WebDruid
Logrep
PhpMyVisites

FTP servers

PureFTP
ProFTPD
mtftpD
bftpd
MySecureShell
moftpd
vsftpd
TwoFTPd
WU-FTPD