OpenNMS is an open-source network monitoring platform that helps you visualize and monitor everything on your local and distributed networks.




Datadog is described as 'Monitor IT and DevOps environments with over 120 integrations, providing a unified view of your infrastructure with graphing, correlation, and analytics' and is a popular Network Monitor in the network & admin category. There are more than 100 alternatives to Datadog for a variety of platforms, including Web-based, Linux, Windows, Mac and SaaS apps. The best Datadog alternative is Better Stack Telemetry. It's not free, so if you're looking for a free alternative, you could try Grafana or Zabbix. Other great apps like Datadog are TrafficMonitor, Netdata, Prometheus and Nagios.
OpenNMS is an open-source network monitoring platform that helps you visualize and monitor everything on your local and distributed networks.




The easiest log management system you will ever use! LogDNA is a cloud-based log management system that allows engineering and devops to aggregate all system and application logs into one efficient platform.
Instana is Dynamic APM for Microservice Management. Instana delivers real-time impact analysis, operational health, and quality of service visibility.





Server and application performance monitoring has never been easier or more affordable. With agentless monitoring for hundreds of applications and hardware types, Server & Application Monitor delivers the management, alerting, and reporting you need to keep your servers and...




Sematext Experience is a real user monitoring solution that offers 100% visibility into your website or web app that affects your users’ experience.




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.


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.




BigPanda Inc. enables large enterprises to automate and scale IT Operations to meet the complex demands of digital transformation. The company is the first provider of an Autonomous Operations platform that intelligently automates IT incident management.
CloudFabrix Software, Inc. a leading AIOps platform vendor delivering a suite of solutions enabling AI driven IT Operations & Planning..
Simplified Monitoring for Complex Applications Achieve deep observability, strong correlation and improved resolution time for Cloud Native Applications.




Fluentd is a fully free and open-source log management tool that simplifies your data collection and storage pipeline. It eliminates the need to maintain a set of ad-hoc scripts.
Automatic machine learning based analysis of problems with solution recommendation. Distributed tracing across all major programming languages.