One of the most popular alternatives to Nagios is Zabbix, which is free and open source. Other popular alternatives are Beszel, Netdata, Datadog and Better Stack. There's no shortage of Network Monitors like Nagios, with more than 100 alternatives for Linux, Windows, the web, self-hosting and Mac.
NetXMS is an enterprise grade multi-platform open source network management and monitoring system. It provides comprehensive event management, performance monitoring, alerting, reporting and graphing for all layers of IT infrastructure — from network devices to business...
Slovenia
EU
An open source observability platform: Unify session replays, logs, traces, and errors – all without the Datadog price tag.
United States
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.
United States
Enterprise-ready monitoring solution that provides unparalleled flexibility for IT to address both immediate and unforeseen operational issues, including infrastructure and IT processes.
SpainEU
Lansweeper discovers Windows, Linux and Mac machines in your network. In addition, it inventories network devices such as Printers, Routers and Switches.
BelgiumEU
Self-hosted Windows Server monitoring software for networks, servers, virtualization, applications, cloud services, logs and traffic. It discovers devices, maps topology, applies reusable policies, correlates alerts, analyzes network flows and automates responses.
PolandEU
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.
GermanyEU
Quickly identify and resolve issues in your hybrid cloud through intuitive workflows, system integrations, and unmatched out-of-the-box functionality.
United States
Pulseway offers a full IT stack of software and services to help you look after all your IT needs. All simple to use, integrated into one platform.
IrelandEU
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.
United Kingdom
France
