GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
Zabbix - Track, record, alert and visualize performance and availability of IT resources
NetBeez Remote Worker Agent - Simplifying tech support of work from home users.
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.
Loading - See when apps are using your network in your Mac menubar
Prometheus - An open-source systems monitoring and alerting toolkit.