Best Free Server Monitoring Software

With more than 50,000 customer installations across the five continents, Pandora FMS is a truly all-in-one monitoring solution, covering all traditional silos for specific monitoring: servers, networks, applications, logs, synthetic/transactional, remote control, inventory, etc. Pandora FMS gives you the agility to find and solve problems quickly, scaling them so they can be derived from any source, on-premise, multi cloud or both of them mixed. Now you have that capability across your entire IT stack and analytics to find any problem, even the ones that are hard to find. Thanks to more than 500 plugins available, you can control and manage any application and technology, from SAP, Oracle, Lotus, Citrix or Jboss to VMware, AWS, SQL Server, Redhat, Websphere, etc.

Sematext Cloud is an innovative, unified platform with all-in-one solution for infrastructure monitoring, application performance monitoring, log management, real user monitoring, and synthetic monitoring to provide unified, real-time observability of your entire technology stack. It's used by organizations of all sizes and across a wide range of industries, with the goal of driving collaboration between engineering and business teams, reducing the time of root-cause analysis, understanding user behaviour and tracking key business metrics. The main capabilities range from log monitoring to APM, server monitoring, database monitoring, network monitoring, uptime monitoring, website monitoring or container monitoring Find complete details on our website. Or better: start a free demo, no email address required.

The open-source observability platform everyone needs! Netdata collects metrics per second and presents them in beautiful low-latency dashboards. It is designed to run on all of your physical and virtual servers, cloud deployments, Kubernetes clusters, and edge/IoT devices, to monitor your systems, containers, and applications. It scales nicely from just a single server to thousands of servers, even in complex multi/mixed/hybrid cloud environments, and given enough disk space it can keep your metrics for years. KEY FEATURES: 💥 Collects metrics from 800+ integrations 💪 Real-Time, Low-Latency, High-Resolution 😶‍🌫️ Unsupervised Anomaly Detection 🔥 Powerful Visualization 🔔 Out of box Alerts 📖 systemd Journal Logs Explorer 😎 Low Maintenance ⭐ Open and Extensible Try Netdata today and feel the pulse of your infrastructure, with high-resolution metrics, journal logs and real-time visualizations.

Checkmk is a comprehensive IT monitoring system that enables system administrators, IT managers, and DevOps teams to identify issues across their entire IT infrastructure (servers, applications, networks, storage, databases, containers) and act quickly to resolve them More than 2,000 commercial customers and many more open source users worldwide use Checkmk daily. Key product features: • Service state monitoring with almost 2,000 checks 'out of the box' • Log and event-based monitoring • Metrics, dynamic graphing, and long-term storage • Comprehensive reporting incl. availability and SLAs • Flexible notifications and automated alert handling • Monitoring of business processes and complex systems • Hardware and software inventory • Graphical, rule-based configuration, and automated service discovery Top use cases: • Server Monitoring • Network Monitoring • Application Monitoring • Database Monitoring • Storage Monitoring • Cloud Monitoring • Container Monitoring

WebSitePulse provides independent, remote monitoring of your web assets. Some of the most used services are uptime monitoring, website monitoring, server monitoring, web transaction monitoring.

VirtualMetric is a powerful telemetry pipeline solution designed to enhance data collection, processing, and security monitoring across enterprise environments. Its core offering, DataStream, automatically collects and transforms security logs from a wide range of systems such as Windows, Linux, MacOS, and Unix, enriching data for further analysis. By reducing data volume and filtering out non-meaningful logs, VirtualMetric helps businesses lower SIEM ingestion costs, increase operational efficiency, and improve threat detection accuracy. The platform’s scalable architecture, with features like zero data loss and long-term compliance storage, ensures that businesses can maintain high security standards while optimizing performance.

Just a one line command to install the monitoring agent on all your servers. No complicated setups, get started within minutes. Keep track of your servers infrastructure usage and prevent downtime and performance issues. Over 40 plugins available out-of-the-box such as CPU, Process, Network, NGiNX, Disk I/O and much more. Server logs are essential to diagnose and prevent issues on your server infrastructure. Use our advanced log search or use the live tail feature. Do you know if you're keeping a clean IP space? Ensure that your e-mail will not end up in the spam folder. Our control panel is customizable and easy to use, providing a better and more enjoyable user experience. We can monitor HTTP(S), TCP as well as ICMP (ping) endpoints, be the first to know about downtime of your web endpoints.

Icinga is a monitoring system which checks the availability of your network resources, notifies users of outages, and generates performance data for reporting. Scalable and extensible, Icinga can monitor large, complex environments across multiple locations. Icinga 2 is the monitoring server and requires Icinga Web 2 on top in your Icinga Stack. The configuration can be easily managed with either the Icinga Director, config management tools or plain text within the Icinga DSL. Find answers, take actions and become a problem-solver. Be flexible and take your own ways. Stay curious, stay passionate, stay in the loop. Tackle your monitoring challenge. The Icinga stack spans six core strengths that cover all aspects of monitoring. Level up with valuable insights and on-time notifications, eye-opening visuals and analytics. Icinga easily integrates within your systems, and gives you the power to automate your tasks.

Centreon is a global provider of business-aware IT monitoring for always-on operations and performance excellence. The company’s holistic, AIOps-ready platform is designed for today’s complex, distributed hybrid cloud infrastructures. Centreon monitors the complete IT Infrastructure from Cloud-to-Edge for a clear and comprehensive view. Centreon removes blind spots, monitoring all equipment, middleware and applications that are part of modern IT workflows, from on-premise legacy assets to private and public cloud environments, all the way to the edge of the network, where smart devices and customers combine to create business value. Centreon is constantly current, able to support the most dynamic environments. With auto-discovery capabilities it can keep track of Software-Defined Network (SDN) elements, AWS or Azure cloud assets, Wi-Fi access points or any other component of today’s agile IT infrastructure.