Datadog is a monitoring service for cloud-scale applications, bringing together data from servers, databases, tools, and services to present a unified view of…

LibreNMS is an auto-discovering PHP/MySQL-based network monitoring system.

Monit is a free, open source process supervision tool for Unix and Linux.

Nagios known as Nagios Core, is a free and open source computer-software application that monitors systems, networks and infrastructure.

Observium is a low-maintenance auto-discovering network monitoring platform supporting a wide range of device types, platforms and operating systems, etc.

PRTG is a network monitoring tool that helps you to ensure that your computer systems are running smoothly and that no outages occur.

IT Asset Tool is a free software to inventor and monitor your network.

Mindarray is a network monitoring software which includes BSM, SLA with real time monitoring & analytics.

Munin is a networked resource monitoring tool that can help analyze resource trends.

ntop is software that probes a computer network to show network use in a way similar to what the program top does for processes.

Pandora FMS (Pandora Flexible Monitoring System) is software for monitoring computer networks.

The Dude network monitor automatically scans all devices within specified subnets, draw and layout a map of your networks, monitor services of your devices an…