Checkmk is a monitoring tool of servers, applications, networks, cloud, containers, storage, databases, IoT and more. Checkmk is available as Raw Edition, which is 100% pure open source, and as Enterprise Edition with a lot of additional features.




OP5 Monitor is described as 'Our open and flexible server and network monitoring solution delivers a unified view of your entire IT environment. Monitor up to 100,000 devices from a single server, with distributed and redundant solutions for nearly infinite scalability' and is a Network Monitor in the network & admin category. There are more than 50 alternatives to OP5 Monitor for a variety of platforms, including Linux, Windows, Web-based, Self-Hosted and Mac apps. The best OP5 Monitor alternative is Zabbix, which is both free and Open Source. Other great apps like OP5 Monitor are Nagios, Datadog, Spiceworks and Laravel Nightwatch.
Checkmk is a monitoring tool of servers, applications, networks, cloud, containers, storage, databases, IoT and more. Checkmk is available as Raw Edition, which is 100% pure open source, and as Enterprise Edition with a lot of additional features.




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.




Agentless IT monitoring built to scale - NetCrunch offers a powerful, policy-driven platform for real-time visibility across your entire infrastructure system.




Delivers continuous monitoring of network devices, automated topology mapping, SNMP management with custom thresholds, real-time alerts, secure remote access, power cycling, asset documentation, interactive network visualization, flexible automation, and workflow creation.




Dynatrace combines the industry’s broadest observability and runtime application security with predictive, causal, and generative in a unified platform to deliver answers and intelligent automation from data.




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




Diagnose network performance problems in real-time with Intermapper, network monitoring software from HelpSystems. Powerful, reliable, and user-friendly, Intermapper helps network professionals stay ahead of outages by monitoring the performance of all your physical and virtual...




System Center Operations Manager 2012 R2 uniquely enables customers to reduce the cost of data center management across server operating systems and hypervisors through a single, familiar and easy to use interface.
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.




Agentless server monitoring software - monitor CPU, disk, memory, network, etc. Distributed Monitoring of Windows, Linux and networks. 30-day FREE trial!



Wolfpack aims to be the "swiss army knife" of monitoring. To borrow a line from Etsy..."if it moves we monitor it, even if it doesn't move we'll monitor it just in case it makes a break for it!".
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.


