List of the Top 25 Free IT Infrastructure Monitoring Tools in 2025

Transform your organization's IT framework with New Relic's all-encompassing monitoring platform. Acquire instant visibility into the status, efficiency, and uptime of your complete infrastructure, ranging from servers to network systems. Tailored for extensive operations, New Relic facilitates early identification of issues, streamlined problem-solving, and enhanced resource management to maintain optimal performance and dependability. Anticipate potential challenges and maintain seamless operations with New Relic's advanced IT Infrastructure Monitoring solution for enterprises.

Gain complete insight into the performance of your cloud infrastructure, regardless of scale, with easy access to all your metrics in a single location to enhance efficiency. The Groundcover platform is designed specifically for cloud-native environments, providing robust monitoring capabilities that allow for immediate visibility into the health and performance of your infrastructure, all with a streamlined deployment process. Optimize troubleshooting - as a centralized resource for all your infrastructure, application, and customer metrics, it enables you to query and analyze your cloud setups using real-time data and comprehensive insights across your entire stack. Store everything effortlessly - retain any volume of metrics without the stress of cardinality or retention constraints. Your subscription pricing will not be impacted by the level of detail in the metrics you choose to store or analyze.

Paessler PRTG offers a comprehensive monitoring solution characterized by its easy-to-navigate interface, which is driven by an advanced monitoring engine. By streamlining connections and managing workloads efficiently, it helps to lower operational expenses and avert potential outages. Additionally, it enhances time management and ensures compliance with service level agreements (SLAs). The platform is equipped with an array of specialized monitoring capabilities, including customizable alerting, cluster failover mechanisms, distributed monitoring, as well as detailed maps and dashboards, all complemented by extensive reporting functionalities. With its robust features, PRTG empowers organizations to maintain optimal performance and address issues proactively.

OpManager serves as the perfect comprehensive tool for monitoring your organization's entire network system. It allows you to meticulously track the health, performance, and availability of all network components, including switches, routers, LANs, WLCs, IP addresses, and firewalls. By providing insights into hardware health and performance, you can efficiently monitor metrics such as CPU usage, memory, temperature, and disk space, thereby enhancing overall operational efficiency. The software simplifies fault management and alert systems through instant notifications and thorough logging. With streamlined workflows, users can easily set up the system for rapid diagnosis and implementation of corrective actions. Additionally, OpManager boasts robust visualization features, including business views, 3D data center representations, topology maps, heat maps, and customizable dashboards that cater to various needs. By equipping users with over 250 predefined reports covering critical metrics and areas in the network, it empowers proactive capacity planning and informed decision-making. Overall, the extensive management functionalities of OpManager position it as the optimal choice for IT administrators striving for enhanced network resilience and operational effectiveness. Furthermore, its user-friendly interface ensures that both novice and experienced administrators can navigate the platform with ease.

Site24x7 offers an integrated cloud monitoring solution designed to enhance IT operations and DevOps for organizations of all sizes. This platform assesses the actual experiences of users interacting with websites and applications on both desktop and mobile platforms. DevOps teams benefit from capabilities that allow them to oversee and diagnose issues in applications and servers, along with monitoring their network infrastructure, which encompasses both private and public cloud environments. The comprehensive end-user experience monitoring is facilitated from over 100 locations worldwide, utilizing a range of wireless carriers to ensure thorough coverage and insight into performance. By leveraging such extensive monitoring features, organizations can significantly improve their operational efficiency and user satisfaction.

FirstWave’s NMIS acts as a robust network management system, encompassing fault detection, performance monitoring, configuration oversight, performance visualizations, and alerts based on specific thresholds. It employs business rules that facilitate tailored notification policies, compatible with various notification methods. Additionally, FirstWave empowers its partners, which include some of the largest telecommunications companies and managed service providers worldwide, to safeguard their clientele against cyber threats, all while swiftly expanding their cybersecurity service revenues on a significant scale. Overall, FirstWave delivers a thorough and integrated solution for network discovery, management, and cybersecurity, catering to its global partners. This holistic approach ensures that partners can effectively combat evolving cyber threats while managing their networks efficiently.

Pandora FMS boasts over 50,000 installations worldwide, making it a comprehensive monitoring solution that addresses various traditional monitoring sectors such as servers, networks, applications, logs, synthetic transactions, remote management, and inventory. This platform enables swift identification and resolution of issues, effectively scaling to accommodate both on-premise and multi-cloud environments. With Pandora FMS, users can leverage their entire IT infrastructure and analytical tools to tackle even the most elusive problems. Additionally, it offers extensive control over a wide range of technologies and applications through its collection of more than 500 plugins, which support systems like SAP, Oracle, Lotus, Citrix, Jboss, VMware, AWS, and SQL Server. Consequently, organizations can ensure optimal performance and reliability across their entire technology ecosystem.

Are you overwhelmed by managing various tools for monitoring your servers and websites? Introducing Xitoring, an innovative SaaS solution that simplifies your infrastructure management. With a single command in the CLI, you can effortlessly establish extensive monitoring for numerous servers and websites in just a few minutes—eliminating the need for complicated setups. At the heart of Xitoring lies Xitogent, a nimble agent that gathers essential performance metrics directly from your servers. This capability provides you with real-time visibility into system performance, allowing you to spot potential issues before they escalate. By automating everyday tasks, Xitoring frees up your time and energy, enabling you to concentrate on driving innovation. Our worldwide network of probing nodes ensures that your systems are monitored continuously. Whether it’s detecting network failures or pinpointing resource shortages, we identify irregularities immediately and send alerts to the appropriate personnel through customizable notifications. This proactive stance not only reduces downtime but also improves overall reliability and enhances customer satisfaction. As a result, you can maintain a robust infrastructure while focusing on growing your business.

Igiko Management Tools is an online application that facilitates the remote management and monitoring of both physical and virtual machines, operating within a security framework that is based on user permissions. Equipped with an integrated remote gateway, Igiko enables users to connect seamlessly to their computers and virtual machines. The web console utilizes HTML5 RDP control, allowing users to access remote desktops through any standard web browser. Distinct from many remote monitoring and management (RMM) solutions, the Igiko application functions as an agentless service. It requires installation on only a single machine to grant remote access, monitoring, and management capabilities to all local computers and virtual machines. The configuration and global access of the application is streamlined thanks to its built-in web server and tunnel-provider clients, which come with a dedicated DNS address hosted on the Igiko server. This makes Igiko particularly well-suited for small and medium-sized enterprises, hosting providers, software development and engineering companies, as well as home users and those operating virtual labs, ensuring a versatile solution for a variety of needs.

Azure Monitor significantly improves the dependability and effectiveness of applications and services by offering a comprehensive system for collecting, analyzing, and reacting to telemetry data from both cloud-based and on-premises environments. This powerful tool not only allows you to understand how well your applications are performing but also helps in identifying potential issues that could affect their operation and the resources they rely on. As a result, organizations utilizing Azure Monitor can enhance service quality and boost user satisfaction by implementing timely and informed interventions. Furthermore, the insights provided by Azure Monitor empower teams to make data-driven decisions that lead to continuous improvement and optimized performance.

Sematext Cloud offers comprehensive observability tools tailored for contemporary software-driven enterprises, delivering crucial insights into the performance of both the front-end and back-end systems. With features such as infrastructure monitoring, synthetic testing, transaction analysis, log management, and both real user and synthetic monitoring, Sematext ensures businesses have a complete view of their systems. This platform enables organizations to swiftly identify and address significant performance challenges, all accessible through a unified cloud solution or an on-premise setup, enhancing overall operational efficiency.

Better Stack provides the capability to delve into any stack and troubleshoot any problems effectively. You can visualize your entire stack and consolidate all logs into structured data, allowing you to query them using SQL as if you were accessing a database. Quickly search, archive, and centralize your logs without the hassle of rehydration. The platform offers dashboards that merge metrics from various sources to produce an attractive overview. You can monitor everything, from websites to servers, schedule on-call rotations, receive actionable notifications, and resolve incidents more swiftly than ever before. Enjoy notifications from a platform that excels in infrastructure monitoring. Our quick 30-second check delivers a screenshot along with a detailed second-by-second timeline of any errors encountered. We ensure that each HTTP and ping-based event is verified from at least three different locations before sending alerts, eliminating the issue of false alarms. Regardless of whether you need to monitor web pages, APIs, pings, POP3, SMTP, IMAP, DNS, or general network performance, we've got you fully covered, ensuring that your systems remain reliable and efficient. With Better Stack, you can confidently manage your entire monitoring needs in one comprehensive solution.

Monitoring IT performance extends beyond simply tracking CPU, memory, and network usage. With eG Enterprise, the focus shifts to enhancing the user experience, which becomes a pivotal element of your IT management and monitoring approach. This platform provides the capability to evaluate users' digital experiences and offers comprehensive insights into the performance of the entire application delivery pipeline—from the underlying code to user interactions, encompassing both data centers and cloud environments—accessible through a unified interface. Additionally, eG Enterprise allows for the correlation of performance metrics across various domains, enabling proactive identification of underlying issues. Leveraging machine learning and analytical tools, IT teams can make informed decisions regarding optimization and resource allocation for anticipated growth. Consequently, this leads to more satisfied users, heightened productivity, increased IT operational efficiency, and measurable business returns. Moreover, eG Enterprise is versatile in deployment, being available for both on-premise installation and as a Software as a Service (SaaS) offering. Start your journey towards enhanced IT performance by signing up for a free trial of eG Enterprise today, and experience the transformation firsthand.

Checkmk serves as a robust IT monitoring solution that empowers system administrators, IT managers, and DevOps teams to swiftly detect and address problems within their entire IT ecosystem, encompassing servers, applications, networks, storage, databases, and containers. Over 2,000 commercial clients globally, along with a multitude of open-source users, rely on Checkmk for their daily monitoring needs. Some of the key features of the product include service state monitoring with nearly 2,000 pre-configured checks, event and log monitoring, comprehensive metric tracking with dynamic graphing and long-term storage capabilities, as well as in-depth reporting that covers accessibility and service level agreements (SLAs). Additionally, Checkmk offers flexible notification options accompanied by automated alert management, monitoring for complex systems and business processes, a thorough inventory of both software and hardware, and a graphical, rule-based configuration that facilitates automated service discovery. The primary applications of Checkmk encompass various monitoring activities, including server, network, application, database, storage, cloud, and container monitoring. This versatility makes it an essential tool for organizations seeking to enhance their IT infrastructure's reliability and performance. By utilizing Checkmk, teams can ensure that their systems are always running optimally and can respond proactively to potential issues before they escalate.

Nagios Core serves as the foundational monitoring and alerting engine for numerous development projects within the Nagios ecosystem. Acting as the event scheduler, processor, alert manager, and monitoring tool, it efficiently oversees various system components. To enhance its functionality, Nagios Core offers several APIs that developers can use for additional tasks. Built in C for optimal performance, it is specifically designed to operate seamlessly on Linux and other Unix-like operating systems. This robust architecture allows for extensive customization and scalability to meet diverse monitoring needs.

Zabbix is recognized as a leading enterprise-grade tool designed to monitor extensive metrics in real-time, collected from a diverse range of servers, virtual machines, and network devices. Being an Open Source solution, it provides its robust capabilities at no charge. The platform smartly detects issues within the incoming data flow, which negates the need for constant manual oversight. Its integrated web interface presents various visualizations of your IT environment, thereby improving accessibility and user experience. Additionally, Zabbix features an Event correlation mechanism that minimizes repetitive alerts, allowing users to focus on diagnosing the underlying causes of problems. It is particularly effective for automated monitoring in large, evolving environments and supports the establishment of a distributed monitoring framework while ensuring centralized management. Moreover, Zabbix can easily integrate with all aspects of your IT ecosystem, and its extensive functionalities are accessible from external applications through the Zabbix API, highlighting its flexibility to meet diverse operational demands. This adaptability makes Zabbix a valuable asset for organizations seeking to optimize their monitoring processes.

VirtualMetric is a cutting-edge telemetry pipeline and security monitoring platform designed to provide enterprise-level data collection, analysis, and optimization. Its flagship solution, DataStream, simplifies the process of collecting and enriching security logs from a variety of systems, including Windows, Linux, and MacOS. By filtering out non-essential data and reducing log sizes, VirtualMetric helps organizations cut down on SIEM ingestion costs while improving threat detection and response times. The platform’s advanced features, such as zero data loss, high availability, and long-term compliance storage, ensure businesses can handle increasing telemetry volumes while maintaining robust security and compliance standards. With its comprehensive access controls and scalable architecture, VirtualMetric enables businesses to optimize their data flows and bolster their security posture with minimal manual intervention.

Telegraf serves as an open-source server agent designed to efficiently gather metrics from various sensors, stacks, and systems. Acting as a plugin-centric agent, it not only collects but also transmits metrics and events from a diverse array of sources including systems, databases, and IoT devices. Engineered in Go, it compiles into a single binary, requiring no external dependencies and consuming minimal memory. Telegraf supports a vast range of input sources, allowing for the seamless writing of data to numerous output destinations. With its plugin architecture, it is effortlessly extendable for both data collection and output purposes. Additionally, Telegraf boasts over 300 plugins developed by community data experts, making the collection of metrics from your endpoints a straightforward task. This flexibility and community support make Telegraf an invaluable tool for monitoring and performance analysis.

This application offers a comprehensive summary of your server environment while also assisting in reducing operational monitoring costs by forecasting potential bottlenecks within your virtualized setup. Additionally, it allows for the creation of alerts based on specific policies, capacity assessments, and predictions regarding load. The following virtualization platforms can be utilized with this tool: - IBM Power Systems - VMware - Nutanix - Proxmox - Huawei FusionCompute - Oracle VM - Oracle Solaris LDOM and CDOM, including the Global Zone - oVirt / Red Hat Virtualization (RHV) - Microsoft Windows Server and Hyper-V - XenServer and Citrix Hypervisor - Hitachi Compute Blade Moreover, it supports various cloud services such as Amazon Web Services, Google Cloud, and Microsoft Azure, along with container orchestration platforms like Kubernetes and Red Hat OpenShift, as well as Apache CloudStack. Lastly, the tool is compatible with several databases, including PostgreSQL, Oracle Database, and Microsoft SQL Server, ensuring a wide range of applications for users.

AKIPS offers a robust, highly scalable, and secure on-premises network monitoring solution that caters to the enterprise sector while supporting multiple vendors. The AKIPS Network Monitor stands out with its extensive features, scalability, and the ability to provide insights into crucial real-time and historical performance metrics and logs, spanning from the core of the data center to the end user. This advanced system empowers network engineers to take a proactive approach, enabling them to identify, analyze, and resolve issues before they escalate into disruptions that could impact business operations. Furthermore, with its comprehensive visibility, AKIPS ensures that organizations can maintain optimal network performance and reliability.

Engineers have a deep affection for open-source solutions. We enhanced leading open-source monitoring tools like Jaeger, Prometheus, and ELK, merging them into a robust and scalable SaaS platform. This allows you to gather and analyze all your logs, metrics, traces, and additional data in a single location for comprehensive monitoring. With our user-friendly and customizable dashboards, you can easily visualize your data. Logz.io employs an AI/ML human-coach that automatically identifies and rectifies errors or exceptions in your logs. Our system can alert you via Slack, PagerDuty, Gmail, and other channels, ensuring you can swiftly address new incidents. You can centralize your metrics at any level through our Prometheus-as-a-service offering. By unifying logs and traces, we simplify the monitoring process. Getting started is easy—just add three lines of code to your Prometheus configuration file to initiate the forwarding of your metrics and data to Logz.io, streamlining your monitoring experience even further. This integration ultimately enhances your operational efficiency and response times.

As cloud costs and features continuously change, having a dependable management solution becomes increasingly important. Allow OpsNow to handle your cloud management demands, so you can focus on your core priorities! OpsNow optimizes cloud administration, boosts operational efficiency, and streamlines IT workflows through automation, cost management, analytical insights, and all-encompassing monitoring. With OpsNow, users benefit from a unified tool that manages not only IDC but also a variety of multi-cloud platforms, including AWS, Azure, and Aliyun. This integration removes the necessity of creating or enforcing specific rules for each distinct cloud environment. Furthermore, it enables you to monitor applications and resources across different cloud platforms from one centralized interface. OpsNow offers more frequent system and infrastructure monitoring than traditional Cloud Service Providers (CSPs), thereby raising the bar for customer expectations. As a result, you gain deeper insights into resource utilization with comprehensive data that goes beyond the basic monitoring provided by CSPs. This empowers you to make better-informed decisions about your overarching cloud strategy, ultimately enhancing your organization's agility and responsiveness.

Elevate your monitoring and alerting strategies by utilizing a leading open-source tool known as Prometheus. This powerful platform organizes its data in the form of time series, which are essentially sequences of values linked to specific timestamps, metrics, and labeled dimensions. Beyond the stored time series, Prometheus can generate temporary derived time series based on the results of queries, enhancing versatility. Its querying capabilities are powered by PromQL (Prometheus Query Language), which enables users to real-time select and aggregate data from time series. The results from these queries can be visualized as graphs, presented in a table format via Prometheus's expression browser, or retrieved by external applications through its HTTP API. To configure Prometheus, users can employ both command-line flags and a configuration file, where flags define unchangeable system parameters such as storage locations and retention thresholds for disk and memory. This combination of configuration methods offers a customized monitoring experience that can accommodate a variety of user requirements. If you’re keen on delving deeper into this feature-rich tool, additional information is available at: https://sourceforge.net/projects/prometheus.mirror/. With Prometheus, you can achieve a level of monitoring sophistication that optimizes performance and responsiveness.

With a straightforward command, you can deploy the monitoring agent on all your servers swiftly, eliminating the need for intricate configurations and allowing you to start monitoring within minutes. This tool empowers you to effectively track your server's infrastructure usage, which is vital for preventing downtime and addressing performance issues. You will find a suite of over 40 plugins readily available that encompass key metrics such as CPU, Process, Network, NGiNX, Disk I/O, among others. Server logs are essential for identifying and preventing issues in your infrastructure, so you can utilize our advanced log search feature or opt for the live tail option to gain real-time insights. Moreover, understanding the cleanliness of your IP space is crucial to ensure your emails do not end up in spam folders. Our intuitive control panel can be customized, providing a streamlined and enjoyable user experience. Furthermore, we offer monitoring for various endpoints including HTTP(S), TCP, and ICMP (ping), ensuring you receive timely alerts about any downtime that might impact your web services. By taking advantage of these robust features, you can uphold optimal performance and reliability throughout your entire server environment while having peace of mind knowing that your systems are being actively monitored. The combination of real-time insights and customizable options makes this tool an invaluable asset for any server administrator.

Effortlessly optimize the effectiveness and performance of your cloud operations. By utilizing NetApp Cloud, you obtain a detailed understanding of both your applications and infrastructure. With the help of Cloud Insights, you are equipped to monitor, troubleshoot, and enhance resources throughout your entire technology stack, regardless of whether they are on-premises or in the cloud. Protect your most valuable asset—data—from ransomware threats by employing proactive detection systems and automated responses to security incidents. Additionally, you will receive notifications regarding any potential misuse or theft of critical intellectual property by malicious entities, whether they originate from inside or outside your organization. Ensure corporate compliance by conducting audits of access and usage patterns linked to your vital data, whether it is stored on-premises or in the cloud. Achieve comprehensive visibility of your infrastructure and applications through various collectors, which provide a unified overview. This means that you won’t need to scramble to find new monitoring solutions each time a new platform is introduced, enabling you to concentrate on innovation and growth. Moreover, this efficient process empowers you to react swiftly to any emerging challenges, ensuring your operations run smoothly.