An open source observability platform: Unify session replays, logs, traces, and errors – all without the Datadog price tag.
Cost / License
- Freemium
- Open Source (MIT)
Platforms
- Software as a Service (SaaS)
- Self-Hosted
- Docker
United States




Nagios is described as 'Powerful monitoring system licensed under Nagios Enterprises that helps organizations identify and resolve IT infrastructure issues' and is a popular Network Monitor in the network & admin category. There are more than 100 alternatives to Nagios for a variety of platforms, including Linux, Windows, Web-based, Self-Hosted and Mac apps. The best Nagios alternative is Zabbix, which is both free and Open Source. Other great apps like Nagios are Beszel, Netdata, Datadog and Better Stack.
An open source observability platform: Unify session replays, logs, traces, and errors – all without the Datadog price tag.




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...




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.




Enterprise-ready monitoring solution that provides unparalleled flexibility for IT to address both immediate and unforeseen operational issues, including infrastructure and IT processes.




Lansweeper discovers Windows, Linux and Mac machines in your network. In addition, it inventories network devices such as Printers, Routers and Switches.

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.




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.




Quickly identify and resolve issues in your hybrid cloud through intuitive workflows, system integrations, and unmatched out-of-the-box functionality.



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.




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.



