TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
LogMeIn - LogMeIn gives you fast, easy remote access to your PC or Mac from your browser, desktop and mobile...
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.
AeroAdmin - AeroAdmin - zero configuration FREE for business and home remote desktop software.
Prometheus - An open-source systems monitoring and alerting toolkit.