I like how compatible it is with the different operating systems that exist, the monitoring of our network is very good, it is intuitive, it identifies vulnerabilities in the different devices connected to our network, the detection is very fast, it is a system that facilitates the detection of problems in our network.
Prometheus - An open-source systems monitoring and alerting toolkit.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Nagios - Complete monitoring and alerting for servers, switches, applications, and services
NetVizura NetFlow Analyzer - NetFlow Analyzer is a solution for bandwidth monitoring and traffic analysis. It helps with traffic investigation, analysis and reporting
StatsD - Simple daemon for easy stats aggregation.
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.