Netpresenter Emergency Alerting - Netpresenter Emergency Alerting is a software that alert & notify every person in organization directly from mobile device.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
InformaCast - InformaCast is a leading mass notification software solution that helps organizations reach everyone with critical information.
Abusix - Abusix is a network security company that offers email threat protection and network abuse handling solutions to ISPs, Telcos, and Cloud/Hosting Providers to stop the rapidly growing problem of email-borne threats and other kinds of network abuse.
AtHoc - AtHoc provides net-centric mass notification systems to military, government, higher education, and commercial organizations.
FastNetMon - FastNetMon is a very fast DDoS analyzer with sflow/netflow/mirror support.