Zabbix - Track, record, alert and visualize performance and availability of IT resources
Hidden Bar - A ultra-light MacOS utility that helps hide menu bar icons.
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.
TramaTM - Protect your brand. Register your trademark. Free verification. Simple online process. Transparent price. Money back guarantee.
Prometheus - An open-source systems monitoring and alerting toolkit.
Vanilla - Vanilla is a free Mac app that lets you hide icons from your menu bar.