Açık Kaynaklı Yazılımlar

Load Balancer

Nginx, http://nginx.org
Apache Web Server, http://httpd.apache.org

Monitoring & Management

Nagios, http://www.nagios.org
Zabbix, http://www.zabbix.com
Hyperic, http://www.hyperic.com
Graylog2, http://graylog2.org
Cluster SSH, http://sourceforge.net/projects/clusterssh

Raporlama

RRDtool, http://oss.oetiker.ch/rrdtool
Cacti, http://www.cacti.net

Intrusion Detection

Ossec, http://www.ossec.net

Kurulum & Konfigürasyon Yönetimi

etckeeper, http://joeyh.name/code/etckeeper
Puppet, http://puppetlabs.com
Chef, http://www.opscode.com/chef
Cobbler, http://cobbler.github.com

Sniffing

Wireshark, http://www.wireshark.org/

Ön Muhasebe

Tekir, http://www.tekir.com.tr

Uzaktan Eğitim

Moodle, https://moodle.org
Sakai, http://www.sakaiproject.org

Web Konferans

BigBlueButton, http://www.bigbluebutton.org