List of the Top 25 Free System Monitoring Software in 2025

Elevate the performance of your organization's systems with New Relic's advanced System Monitoring solution. Acquire immediate visibility into the health of your systems, resource usage, and performance indicators to guarantee dependability and efficiency throughout servers, databases, and essential elements. Tailored for extensive operations, New Relic facilitates early detection of issues, efficient troubleshooting, and proactive strategies to ensure seamless system functionality. Anticipate possible interruptions and enhance your infrastructure using New Relic's cutting-edge System Monitoring capabilities.

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.

ManageEngine OpManager serves as a robust system monitoring solution that offers extensive visibility into essential IT infrastructure elements, such as servers, network devices, and applications. It provides immediate insights into system efficiency by monitoring vital parameters like CPU usage, memory utilization, disk capacity, and network traffic. With its proactive alert notifications and automated issue detection capabilities, OpManager empowers IT teams to swiftly pinpoint and address problems, thereby maximizing system availability and dependability. Its adaptable dashboards and in-depth reporting functionalities improve oversight and support effective resource management, making it a crucial tool for sustaining peak system performance.

Uptrends focuses on enhancing cloud-based website performance by monitoring the uptime, functionality, and overall performance of your websites and APIs. Their continuous 24/7 monitoring service actively tests your site and oversees complex transactions. In today's digital landscape, the Internet can be unpredictable, with issues arising that can disrupt service or slow down operations. Uptrends alerts you promptly when these issues occur and provides detailed insights into what went wrong. Experience the benefits of Uptrends by signing up for a 30-day free trial and ensuring your online presence remains robust and reliable. Don't miss the opportunity to safeguard your website's performance!

SuperOps is an innovative all-in-one PSA-RMM platform tailored for driven MSPs aiming for effective growth. Enhanced by AI capabilities and intelligent automation, SuperOps provides an extensive array of features, ranging from IT documentation to project management, guaranteeing that MSPs can find all necessary tools under one roof. Eliminate the hassle of using various disjointed applications—SuperOps enables MSPs to transition away from obsolete, scattered systems with a cloud-native solution designed for ease of use and efficiency. Discover a cohesive, contemporary platform that simplifies operations and transforms the management of IT services into a hassle-free experience, paving the way for enhanced productivity.

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.

A cloud-centric observability platform that enables organizations to oversee and analyze their workloads and performance through a unified interface. Keep an eye on all your cloud services while maintaining cost efficiency, detailed insights, and scalability. Groundcover offers a cloud-native application performance management (APM) solution designed to simplify observability, allowing you to concentrate on developing exceptional products. With Groundcover's unique sensor technology, you gain exceptional detail for all your applications, removing the necessity for expensive code alterations and lengthy development processes, which assures consistent monitoring. This approach not only enhances operational efficiency but also empowers teams to innovate without the burden of complicated observability challenges.

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.

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.

Keep a close eye on your servers, containers, and applications with high-resolution, real-time monitoring. Netdata gathers metrics every second and showcases them through stunning low-latency dashboards. It is built to operate across all your physical and virtual servers, cloud environments, Kubernetes clusters, and edge/IoT devices, providing comprehensive insights into your systems, containers, and applications. The platform is capable of scaling effortlessly from just one server to thousands, even in intricate multi/mixed/hybrid cloud setups, and can retain metrics for years if sufficient disk space is available. KEY FEATURES: - Gathers metrics from over 800 integrations - Real-Time, Low-Latency, High-Resolution - Unsupervised Anomaly Detection - Robust Visualization - Built-In Alerts - systemd Journal Logs Explorer - Minimal Maintenance Required - Open and Extensible Framework Identify slowdowns and anomalies in your infrastructure using thousands of metrics collected per second, paired with meaningful visualizations and insightful health alerts, all without needing any configuration. Netdata stands out by offering real-time data collection and visualization along with infinite scalability integrated into its architecture. Its design is both flexible and highly modular, ready for immediate troubleshooting with no prior knowledge or setup needed. This unique approach makes it an invaluable tool for maintaining optimal performance across diverse environments.

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.

TeamViewer is a widely recognized software that enables remote access and support, allowing users to connect to and control computers or devices from virtually any location around the world. Its primary applications include troubleshooting technical problems, offering IT services, and delivering customer assistance. The platform facilitates secure file sharing, real-time collaboration, and remote desktop access across various operating systems like Windows, MacOS, Linux, iOS, and Android. Equipped with robust security measures, such as end-to-end encryption and two-factor authentication, TeamViewer ensures that remote connections are both safe and dependable. This software is utilized by individuals, IT experts, and large organizations alike, enhancing productivity, enabling effective remote support, and streamlining device management processes. Furthermore, its versatility makes it a go-to solution for many businesses seeking to improve their operational efficiency.

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.

KACE serves as an all-in-one endpoint management solution that provides centralized control over IT systems throughout the organization. It is designed to streamline the entire process from the initial setup to continuous upkeep, effectively addressing all endpoint security and deployment requirements. By utilizing a unified inventory database, KACE enables businesses to swiftly deploy, oversee, and manage their devices, which significantly enhances device security through immediate hardware and software identification, patch management, compliance tracking, and real-time monitoring of mobile endpoints. Furthermore, KACE simplifies the complexities of maintaining device security and compliance, allowing organizations to focus on their core activities without worrying about endpoint vulnerabilities.

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.

StatusGator provides essential updates regarding vital dependencies, enabling DevOps, IT Help Desk, and Educational teams to remain informed about outages and respond in advance. Its features include consolidated status dashboards that compile information from all your cloud service providers, as well as alerts for any status modifications sent to platforms like Slack, Teams, SMS, and beyond. This ensures that teams are always equipped to handle disruptions efficiently.

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.

UltraDNS is a powerful, cloud-driven authoritative DNS service tailored for enterprises, offering dependable and rapid query responses for websites and vital online assets. This fully managed DNS solution ensures total website availability while integrating cutting-edge security measures for heightened protection against online threats. As global users increasingly seek seamless and secure digital experiences, the intricacies of DNS management have surged dramatically. The growth of Internet of Things (IoT) devices and the proliferation of various cyber threats have posed significant challenges for organizations aiming to create a robust DNS strategy that meets their IT needs. It has become progressively more challenging to sustain a skilled in-house team dedicated to DNS management, and acquiring the necessary resources to develop a cohesive strategy that addresses today's Internet challenges can often be impractical. With UltraDNS, you can guarantee that your website and digital assets are consistently accessible, as the service is backed by a promise of 100% uptime and exceptional service-level agreements across a global platform. This unwavering commitment allows businesses to concentrate on their core activities, all while relying on the expertise of professionals who expertly manage their online presence. By leveraging UltraDNS, organizations can navigate the complexities of DNS while ensuring their digital infrastructure remains resilient and responsive to evolving demands.

Anodot harnesses the power of AI to provide autonomous analytics on an enterprise scale, accommodating all types of data in real-time. Our platform empowers business analysts to gain control over their operations, transcending the constraints of conventional Business Intelligence. Operating continuously, our self-service AI technology eradicates blind spots, sends alerts for incidents, and aids in root cause investigations. Utilizing patent-pending machine learning algorithms, the platform accurately identifies problems and correlates them across various parameters, thereby eliminating delays in business insights and facilitating rapid, informed decision-making. Anodot caters to more than 100 clients in the digital transformation sector, including notable names like Microsoft, Lyft, and Waze, spanning industries such as eCommerce, FinTech, AdTech, telecommunications, and gaming. Founded in 2014 with roots in Silicon Valley and Israel, Anodot also maintains a presence with sales offices globally, demonstrating its commitment to serving a diverse international clientele. As the demand for agile analytics grows, Anodot continues to innovate and expand its offerings.

Cisco ThousandEyes stands out as a cutting-edge platform designed to provide organizations with deep insights into digital interactions across diverse environments, such as the internet, cloud services, and enterprise networks. By leveraging advanced monitoring and analytical tools, ThousandEyes allows businesses to pinpoint, diagnose, and resolve performance issues that may impact critical applications, websites, and services. With its comprehensive suite of features, the platform offers essential information about network performance, application delivery, and user engagement, enabling organizations to sustain seamless connectivity and elevate user experiences. Many Fortune 500 companies and SaaS providers have adopted this platform, solidifying its reputation as a dependable solution for managing the complexities of modern hybrid and multi-cloud environments. Furthermore, ThousandEyes enhances the capabilities of IT teams by providing them with robust tools to proactively manage, optimize, and adjust their digital infrastructures, ultimately leading to increased operational efficiency and reliability in service delivery. As a result, organizations are better equipped to adapt swiftly to changing demands and ensure that their digital ecosystems function smoothly.