Nagios - www.nagios.org

Seagull - http://seagull.phpkitchen.com

OpCfg - http://www.opmon.org/project/opcfg

OCSInventory - http://www.ocsinventory-ng.org

phpLogCon - http://www.phplogcon.org

PHP - www.php.net

CentOS - http://www.centos.org

Memcached - http://www.danga.com/memcached/

OTRS - http://www.otrs.org

Nedi - http://nedi.sourceforge.net

Apache - www.apache.org

MySQL - http://www.mysql.com

NagTrap - http://www.nagtrap.org

NTOP - http://www.ntop.org

Foundation - http://foundation.zurb.com/