Observium is an autodiscovering PHP/MySQL/SNMP based network monitoring which includes support for a wide range of network hardware and operating systems including Cisco, Linux, FreeBSD, Juniper, Brocade, Foundry, HP and many more.




ManageEngine OpManager is described as 'Monitor networks in real-time with tools for visualization and fault management, compatible with major server types, ensuring comprehensive device monitoring' and is a Network Monitor in the network & admin category. There are more than 50 alternatives to ManageEngine OpManager for a variety of platforms, including Linux, Web-based, Windows, Self-Hosted and Mac apps. The best ManageEngine OpManager alternative is Zabbix, which is both free and Open Source. Other great apps like ManageEngine OpManager are Better Stack, Netdata, Nagios and Datadog.
Observium is an autodiscovering PHP/MySQL/SNMP based network monitoring which includes support for a wide range of network hardware and operating systems including Cisco, Linux, FreeBSD, Juniper, Brocade, Foundry, HP and many more.




SaaS monitoring tool for linux servers and websites. Think up-time robot but with more features. You can monitor your linux hosts, windows hosts under development.


Open source observability platform. SigNoz helps developers find issues in their deployed applications & solve them quickly.




A cloud-native observability platform built specifically for logs, metrics, traces, analytics, RUM (real user monitoring — performance, errors, session replay) designed to work at petabyte scale.

Logit.io is used for a wide variety of use cases including log management, business intelligence, SIEM, APM, container monitoring, infrastructure monitoring, monitoring website uptime, measuring sales performance & vulnerability scanning.


The alerta monitoring system is a tool used to consolidate and de-duplicate alerts from multiple sources for quick ‘at-a-glance’ visualisation. With just one system you can monitor alerts from many other monitoring tools on a single screen.


BAG·Tower is a SaaS platform to monitor equipment, connected objects, applications, services, etc. BAG·Tower's simple interface that can be used by anyone on your team: developers, team managers, analysts or simple guests.




Server monitoring software for physical, virtual, and cloud-based IT. They also do email monitoring, application monitoring. The system is used to provide insight into server up-time and reduce outages.




MRTG (or Multi Router Traffic Grapher) is an open-source network monitoring tool.

Sematext Monitoring is a full-stack IT infrastructure monitoring software that gives you real-time visibility across your infrastructure. Whether on-premise, in the cloud, or a mix of anything in between, Sematext can monitor your whole stack.



Idera, formerly CopperEgg, is an all-in-one software-as-a-service designed and priced to ensure that organizations can effectively react to infrastructure performance issues. Idera provides four essential monitoring capabilities, giving you everything you need to identify and...
Open Source (GPLv3) Network Monitoring for Windows, Linux & Android. Simple setup, auto-detects running services, runs checks concurrently, open port scanning and alerting. Written in C++ & Qt 5.

