Best Free Server 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.

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.

ManageEngine Applications Manager is an enterprise-ready platform designed to monitor an entire application ecosystem of a business organization. Our platform helps IT and DevOps teams get visibility into all the dependent components within their application stack. With Applications Manager, it becomes easier to monitor the performance of mission-critical web applications, web servers, databases, cloud services, middleware, ERP systems, messaging components, and more. It has tons of features that fast-track the troubleshooting process and help reduce MTTR. This way, issues are fixed before application end-users are affected. Applications Manager has a fully functional dashboard that can be customized to get performance insights at a glance. By configuring alerts, it constantly keeps a lookout for performance issues within the application stack. Combining this with intelligent machine learning, Applications Manager helps turn performance data into actionable insights.

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.

Control the performance and utilization of your cloud workloads. NetApp Cloud gives you complete visibility into your infrastructure and applications. With Cloud Insights, you can monitor, troubleshoot and optimize all your resources and applications across your entire technology stack, whether it’s on-prem or in the cloud. Protect your most valuable business asset – data - from ransomware with early detection and automated responses to threats. Alert on potential misuse or theft of key intellectual property by malicious parties, both internal and external to your organization. Ensure corporate compliance by auditing access and usage patterns to your critical corporate data on-premises or in the cloud. From the public cloud to the datacenter, full-stack visibility of infrastructure and applications from hundreds of collectors available, all in one place. You don’t need to scramble to find new monitoring tools every time a new platform is introduced into your organization.

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.

Over and over again, we were consulting on software projects that couldn’t confidently answer “Is the application working correctly right now?” It’s not that they didn’t have monitoring tools. It’s not that they didn’t have smart people on their team. They always did. When it came down to it, the available tools just weren’t answering the right questions about the technical health of the software. “Turn-key” monitoring sounds great and it’s easy to set up, but if it doesn’t actually answer questions then it’s just wasting money. Instrumental is application and server monitoring that fits like a glove. Everything that’s unique, interesting, and important about your software is now effortless to monitor. It has a powerful query language for answering questions, incredible visualizations, first-class sharing features, and it’s affordable to both small companies and the world’s largest enterprises.

Powerful features for monitoring, debugging and performance. With automated distributed tracing, Lumigo visualizes every transaction, allowing you to understand the flow and correlate issues across services. Easily see the input/output of each service, including 3rd-party services, with environment variables at the time of invocation. View parameters and values in each line of the stack trace. See payload of http and API calls. All this — without any code changes! Thanks to Lumigo’s correlation engine, see only the relevant logs and debugging information related to a transaction. Full observability with traces, logs and metrics of a specific transaction in one place. Start with a lead and zoom in on what you want to find. You search the data, not just logs. One-click integration to your AWS account and fully-automated distributed tracing, with no code changes. Lumigo leverages AWS Lambda Layers for a seamless integration.

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.