BLËSK - BLËSK is a suite of applications for network monitoring and management.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
McAfee Enterprise - McAfee delivers industry leading Internet and Cyber security solutions for Business and Enterprise.
nfsen-ng - nfsen-ng aims to be an in-place replacement for the ageing nfsen.
v6Sonar - SaaS platform automating baselining, monitoring and troubleshooting of on prep and cloud services...
FastNetMon - FastNetMon is a very fast DDoS analyzer with sflow/netflow/mirror support.