Zabbix
Open Source
Zabbix is enterprise open source monitoring software for networks and applications.
Datadog
Freemium
Datadog is a monitoring service for cloud-scale applications, bringing together data from servers, databases, tools, and services to present a unified view of…
Nagios
Open Source
Nagios known as Nagios Core, is a free and open source computer-software application that monitors systems, networks and infrastructure.
