ZABBIX

ZABBIX is an enterprise-class open source distributed monitoring solution. New in ZABBIX 1.6 Escalations and repeated NotificationsProxy based distributed monitoringSupport of IPv6Performance improvements DashboardData buffering on agent sideMore efficient communicationsand more...Features ZABBIX is all-in-one 24x7 monitoring solution without high cost. ZABBIX is software for monitoring of your applications, network and servers. ZABBIX supports both polling and trapping techniques to collect data from monitored hosts. A flexible notification mechanism allows easy and quickly configure different types of notifications for pre-defined events.