SysKit Monitor - Meet SysKit Monitor, a powerful tool for server, app and user monitoring on Remote Desktop Services, Citrix XenApp or Windows Servers
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Skuuudle - Discover, match and monitor your eCommerce competitors.
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.
Remote Desktop Commander Suite - Remote Desktop Commander Suite is a robust solution for historical as well as active and real-time Terminal Server and RDS session management and observation.
FastNetMon - FastNetMon is a very fast DDoS analyzer with sflow/netflow/mirror support.