Jabber
Jabber
http://www.jabber.org/
GD Library
GD Library
http://www.boutell.com/gd/
Apache
Apache
http://www.apache.org/
MySQL
MySQL
http://www.mysql.com/
Postgresql
Postgresql
http://www.postgresql.org/
Webalizer
Home of the webalizer, a fast, free web server log analysis program
http://www.mrunix.net/webalizer/
Snort
The open source snort intrusion detection and prevention system is the most
flexible and widely deployed solution available.
http://www.snort.org/
Samba
Samba
http://ftp.easynet.be/samba/samba.html
Webmin
Webmin, usermin, virtualmin, linux, system administration
http://www.webmin.com/