Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
cvechecker - The goal of cvechecker is to report about possible vulnerabilities on your system, by scanning the...
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.
Retire.js - Retire.js : What you require you must also retire
Prometheus - An open-source systems monitoring and alerting toolkit.