Best Free System Monitoring Software

ManageEngine Site24x7 is a comprehensive observability and monitoring solution designed to help organizations effectively manage their IT environments. It offers monitoring for back-end IT infrastructure deployed on-premises, in the cloud, in containers, and on virtual machines. It ensures a superior digital experience for end users by tracking application performance and providing synthetic and real user insights. It also analyzes network performance, traffic flow, and configuration changes, troubleshoots application and server performance issues through log analysis, offers custom plugins for the entire tech stack, and evaluates real user usage. Whether you're an MSP or a business aiming to elevate performance, Site24x7 provides enhanced visibility, optimization of hybrid workloads, and proactive monitoring to preemptively identify workflow issues using AI-powered insights. Monitoring the end-user experience is done from more than 130 locations worldwide.

ManageEngine OpManager is a powerful system monitoring tool that provides comprehensive oversight of critical IT infrastructure, including servers, network devices, and applications. It delivers real-time insights into system performance, tracking key metrics such as CPU usage, memory consumption, disk space, and network activity. With proactive alerting and automated fault detection, OpManager enables IT teams to quickly identify and resolve issues, ensuring maximum system uptime and reliability. Its customizable dashboards and detailed reporting features enhance visibility and facilitate efficient resource management, making it an essential solution for maintaining optimal system performance.

ITRS Uptrends helps organizations achieve 24x7 reliability and performance for web services (websites, SaaS, APIs), so mission-critical transactions work from anywhere, anytime. ITRS Uptrends’ intuitive no-code/low-code transaction recorder simplifies the monitoring setup, driving rapid time-to-value even across multi-vendor/domain business services. We continuously monitor multistep user journeys from 368 nodes in 67 countries to provide full visibility beyond uptime. Alongside synthetic monitoring, our real user monitoring captures service usage and adoption to show IT's business impact. Integrating with our real-time observability portfolio, ITRS Uptrends offers end-to-end visibility of business services across hybrid infrastructures. As a SaaS solution, ITRS Uptrends is deployment-free unless private checkpoints are required to monitor from within a corporate network.

Paessler PRTG is an all-inclusive monitoring software solution developed by Paessler. Equipped with an easy-to-use, intuitive interface with a cutting-edge monitoring engine, PRTG optimizes connections and workloads as well as reduces operational costs by avoiding outages while saving time and controlling service level agreements (SLAs). The solution is packed with specialized monitoring features that include flexible alerting, cluster failover solution, distributed monitoring, in-depth reporting, maps and dashboards, and more. PRTG monitors your entire IT infrastructure. All important technologies are supported: • SNMP: ready-to-use and custom options • WMI and Windows Performance Counters • SSH: for Linux/Unix and macOS systems • Traffic analysis using flow protocols or packet sniffing • HTTP requests • REST APIs returning XML or JSON • Ping, SQL, and many more

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.

Stop using multiple apps for server uptime and performance monitoring. Get Xitoring , and start monitoring numerous servers and websites in minutes by running one CLI command. We’ll automatically configure everything! Xitoring is an innovative SaaS platform for server monitoring. Our agent, Xitogent , gathers data from your servers to ensure optimal performance and prevent downtime. By keeping your systems running smoothly, we help boost customer satisfaction. Our global probing nodes continuously monitor your servers. If any issues arise, we notify the right contact instantly. At Xitoring, we’re committed to improving our software and adding incredible features in the future. Introduced in 2021, Xitoring aims to revolutionize the server monitoring industry with automation for those tired of traditional methods.

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.

IT performance monitoring is not about monitoring CPU, memory and network resources any more. eG Enterprise makes user experience the centerpiece of your IT monitoring and management strategy. With eG Enterprise, you can measure the digital experience of your users, get deep visibility into the performance the entire application delivery stack — from code to user experience, and data center to cloud — from a single pane of glass, correlate performance across domains and pinpoint the root-cause of problems proactively. Machine learning and analytics capabilities embedded in eG Enterprise enable IT teams make intelligent decisions regarding right-sizing, optimization and planning for future growth. The result: happy users, enhanced productivity, improved IT efficiency and tangible business ROI. eG Enterprise is available for installation on-premise and as a SaaS solution. Start a free trial today.

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

Zabbix is the ultimate enterprise-level software designed for real-time monitoring of millions of metrics collected from tens of thousands of servers, virtual machines and network devices. Zabbix is Open Source and comes at no cost. Detect problem states within the incoming metric flow automatically. No need to peer at incoming metrics continuously. The native web interface provides multiple ways of presenting a visual overview of your IT environment. Save yourself from thousands of repetitive notifications and focus on root causes of a problem with Zabbix Event correlation mechanism. Automate monitoring of large, dynamic environments.Build distributed monitoring solution while keeping centralized control. Integrate Zabbix with any part of your IT environment. Get access to all Zabbix functionality from external applications through Zabbix API.

The tool offers you end-to-end views of your server environment and can save you significant money in operation monitoring by predicting utilization bottlenecks in your virtualized environment. You can also generate policy-based alerts, capacity reports, and load forecasts. Leading performance-monitoring solution thanks to unique web-based UI for graphical interpretation of performance utilization in a virtualized environment. You can find utilization of any attached storage in a simple graphical form comprehensible to anyone from technician to management level. It provides a complete performance and mapping overview through Cloud, server virtualization layer, Database, SAN, LAN and storage. Free to use. You do not need to purchase expensive commercial solutions. Free to use. You do not need to purchase expensive commercial solutions. Free to use. You do not need to purchase expensive commercial solutions.

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.