List of the Top 25 Free Network Monitoring Software in 2026

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.

Enhance and streamline your network monitoring with the robust solutions offered by New Relic. Effortlessly combine SNMP and flow data throughout your infrastructure to gain immediate insights into performance and traffic trends. Utilize AI-driven alerts for swift anomaly detection, improve operational efficiency, and minimize MTTR through actionable insights. Designed specifically for enterprise requirements, New Relic guarantees that your network remains effective, dependable, and prepared for any challenge. Discover the benefits of comprehensive, unified analysis and elevate your IT strategy now.

ManageEngine OpManager serves as an all-encompassing network monitoring solution that delivers instant insights into the operational status and performance of various network components, including routers, switches, servers, and virtual machines. The tool excels in identifying faults, monitoring bandwidth, and conducting performance evaluations, all while allowing users to customize dashboards and configure alerts to their preferences. OpManager is compatible with multiple vendors, incorporates automated root cause analysis, and is designed to scale effectively for networks of any size. Additionally, it includes features for network mapping, as well as monitoring for cloud-based and virtualized environments, positioning it as a holistic tool for ensuring peak network performance and reliability.

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.

ACS Monitor is a self-managed solution designed for network surveillance, specifically catering to managed service providers, IT departments, and home lab aficionados who seek full control over their data. It boasts features like SNMP polling that accommodates versions v1, v2c, and v3, including custom OIDs, alongside an extensive selection of 11 service monitoring types, which includes HTTP, ping, DNS, SSH, SMTP, TCP, FTP, POP3, IMAP, MySQL, and HTTPS. Furthermore, it provides robust website monitoring functionalities such as SSL expiration tracking, content change detection, automated network discovery, and alert thresholds for consecutive failures, with notifications delivered via email, SMS, Slack, and webhooks. Users can utilize 25 different drag-and-drop dashboard widget types that facilitate easy sharing through links. The platform also features various browser-based diagnostic tools, including ping, traceroute, port scanning, DNS lookups, SSL checks, WHOIS queries, and HTTP header analysis, all offering real-time results. A comprehensive REST API adds significant versatility to its capabilities. Installation can be achieved through two methods: a straightforward one-command installer that works on AlmaLinux, Ubuntu, Debian, Rocky, RHEL, Fedora, and Raspberry Pi OS, or a bootable ISO option designed for dedicated virtual machines or bare metal environments. Both methods allow for setup completion in under thirty minutes. Additionally, the free tier allows for the monitoring of up to 100 devices indefinitely, making it an ideal solution for those aiming to efficiently oversee their network activities while enjoying significant flexibility. This combination of powerful features and user-friendly design makes ACS Monitor a compelling choice for a variety of network management needs.

MyMonitor365 is an enterprise uptime and infrastructure monitoring platform built to help organizations proactively monitor critical systems, reduce downtime, and maintain reliable IT operations through continuous global visibility. The platform offers centralized monitoring for websites, APIs, servers, DNS records, SSL certificates, TCP ports, network infrastructure, email systems, Microsoft 365 services, backup systems, and virtual machine environments. MyMonitor365 enables IT teams to detect outages, service degradation, configuration issues, and security risks before they impact users or business operations. The platform uses globally distributed monitoring agents across multiple regions to verify infrastructure availability and performance while reducing false positives caused by local network interruptions. Smart alerting capabilities allow organizations to configure thresholds, grace periods, escalation policies, and maintenance windows so that alerts are routed to the correct teams only when genuine incidents occur. MyMonitor365 integrates with communication and workflow tools such as Slack, Microsoft Teams, Discord, Telegram, Zapier, Trello, Pushbullet, and webhooks to streamline incident response and operational coordination. Advanced monitoring features include SSL certificate inspection, weak cipher detection, DNS security validation, keyword monitoring, custom HTTP authentication, and application response verification to improve service reliability and security oversight. The platform also includes compliance-focused features such as audit logging, detailed incident timelines, and root cause analysis tools that help organizations maintain operational transparency and regulatory accountability. Managed service providers benefit from white-label monitoring capabilities that support monitoring of client infrastructure, voice systems, Exchange environments, Microsoft 365 services, and backup operations from one centralized interface.

NetFlow Analyzer offers immediate insights into network bandwidth performance by utilizing flow technologies effectively. This tool delivers an in-depth perspective on your network's bandwidth consumption and traffic behaviors. It has successfully optimized countless networks around the globe. Serving as a unified solution, NetFlow Analyzer examines, reports, and gathers information regarding your network's bandwidth consumption. With the capability to enhance bandwidth management across over a million interfaces globally, it also includes features for network forensics and traffic analysis. By adjusting policies through traffic shaping with ACLs and class-based rules, you can exercise control over the most frequently used applications. Furthermore, NetFlow Analyzer employs Cisco NBAR technology to provide an intricate understanding of Layer 7 traffic. It is also proficient in detecting applications that utilize dynamic port numbers or conceal themselves behind commonly used ports, ensuring comprehensive network management. Ultimately, this tool is essential for maintaining optimal network performance and security.

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.

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.

Keep an eye on the data usage of each application on your computer with GlassWire's detailed network monitoring graph, which allows you to review both sent and received data over time while identifying the connections your PC is making. It effectively identifies spyware, malware, poorly behaving applications, and bandwidth-intensive programs, enabling you to block their connections using its robust firewall. You can also oversee all devices connected to your network and receive notifications when unfamiliar devices attempt to access your WiFi. Additionally, GlassWire alerts you to any network-related modifications to your computer or unusual alterations in your applications that may suggest the presence of malware, ensuring your system remains secure. This comprehensive monitoring helps you maintain control over your network environment and safeguard against potential threats.

Appchkr is a suite of software solutions designed for monitoring uptime, providing alerts, and generating reports. It caters to a wide range of users, offering robust, high-performance options for large networks and server farms, alongside simpler, more accessible versions for small enterprises and personal websites, with ten targets available for free indefinitely. The software operates seamlessly in the background, requiring no manual intervention, and boasts a rapid setup process, prompt alert notifications, an exceptional feature set, and a favorable performance-to-cost ratio. Compatible with any version of MS Windows or Linux, it monitors intranets, WANs, and the internet effectively. With global support and distribution, it helps you save time, optimize your network, and manage your budget efficiently. Additionally, it encompasses specialized types tailored for database management, facilities oversight, security, and QA/QC/certification test systems. The software also integrates with platforms like Slack and PagerDuty and provides public status pages to enhance communication. Its integrated diagnostic tools mitigate downtime and help prevent future occurrences. Users can access the system via web browsers or command lines, and cost-saving measures are further enhanced through the use of auto-flex capabilities. Comprehensive documentation is available to assist users in navigating the software's extensive features. Therefore, Appchkr not only streamlines monitoring processes but also empowers businesses to maintain operational efficiency and reliability.

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.

XPM is a robust enterprise-level solution designed for performance management, monitoring, and traffic analysis. Built on a Linux foundation, XPM ensures continuous operation around the clock, every day of the year, making it highly effective for organizations that necessitate superior IT service quality. While it may not cater to every user, it is particularly advantageous for businesses with demanding performance requirements. The monitoring capabilities of XPM encompass various elements, including applications that utilize the HTTP protocol, databases like Oracle, MySQL, and MS-SQL Server, and URL transactions. XPM has received accolades such as the ITSS 2018 Innovation Award from the Ministry of Industry and Information Technology of China, recognizing its excellence in the field. Furthermore, it's important to note that this downloadable version of XPM Standard can analyze real-time traffic of around 1 Gbps and is only compatible with X86 server installations. Should you need vProbe XPM to oversee traffic from virtual machines or require the XPM H version for handling over 1 Gbps, please reach out to us via email for assistance. This robust monitoring solution plays a vital role in ensuring operational efficiency for your enterprise's IT infrastructure.

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.

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 is an eBPF-based, AI SRE observability tool that helps you ship high-quality software faster. Monitor everything from websites to servers. Schedule on-call rotations, get actionable alerts, and resolve incidents faster than ever. Visualize your entire stack, aggregate all your logs into structured data, and query everything like a single database with SQL. Made to fit into your workflow with over 100+ integrations. Built for speed and scale, it combines multiple monitoring and alerting workflows into a single, powerful interface that boosts visibility and slashes response times. Key features include an OpenTelemetry-native Kubernetes collector powered by eBPF, real-time alerting, and collaborative dashboards.

Obkio offers a straightforward solution for Network Monitoring and Troubleshooting as a SaaS platform, enabling users to keep track of their network's health and the performance of essential business applications, thereby enhancing the experience for end-users. In mere seconds, Obkio can detect the root causes of sporadic network disruptions, as well as slowdowns in VoIP, video, and applications, allowing for timely troubleshooting before it impacts users. You can set up monitoring agents at key positions within a company's infrastructure or various network locations, including data centers, remote offices, client sites, or across both public and private clouds, to ensure ongoing performance tracking through synthetic traffic that is exchanged every 500 milliseconds. Obkio systematically evaluates and tracks vital network metrics, which encompass latency, jitter, packet loss, quality of service, and customer experience through Quality of Experience (QoE) assessments. The application promptly notifies you when any issue arises or even when potential failures are detected, not only identifying the problem's source but also providing the capability to retrospectively analyze the situation for comprehensive diagnostics. This proactive approach to network monitoring ensures that businesses can maintain optimal performance and address issues before they escalate, ultimately leading to a more reliable user experience.

Stay alert and proactive when handling incidents in Development and Operations. Quickly notify the relevant team members, reduce response time, and avoid alert fatigue. Opsgenie acts as a modern incident management tool, ensuring that critical incidents are addressed without delay and that designated team members take the appropriate actions promptly. The platform gathers alerts from your monitoring systems and custom applications, sorting each notification by its relevance and urgency. On-call schedules are set up to make sure that the right personnel receive alerts through various communication channels such as phone calls, emails, SMS, and mobile push notifications. If an alert is not acknowledged, Opsgenie automatically escalates the issue, guaranteeing that it receives the attention and response it requires. Take advantage of a free trial to test its features. By implementing Opsgenie, teams can significantly improve their incident response processes and create a more streamlined operational environment, ultimately leading to better service delivery and user satisfaction.

Netumo provides comprehensive monitoring for your public infrastructure and promptly alerts you whenever an incident occurs. It can reach your team through any of the six supported channels: Email, SMS, Twitter, Telegram, Slack, Cisco Webex, or Microsoft Teams, ensuring that they are the first to know about any issues and can respond swiftly. Moreover, Netumo incorporates automatic SSL and domain expiry checks, which means that your team will receive immediate notifications before any certificates or domains expire, helping to prevent downtime that might otherwise go unnoticed. In addition to standard website monitoring, Netumo also tracks your APIs (RESTful services) effortlessly, eliminating the need for complex scripting that is often required by other solutions. Beyond just uptime monitoring, the platform offers SEO monitoring capabilities, allowing you to evaluate specific site elements and conduct audits to enhance your site’s SEO performance. Netumo also provides detailed reports to help you analyze issues that may arise during specific time frames, giving you valuable insights into your service performance. In conclusion, with Netumo, you can set up monitoring in just a few minutes, ensuring that your infrastructure remains reliable and efficient.

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.

Enable your team to effectively manage and oversee the security, efficiency, and overall governance of your entire IT infrastructure through a cohesive platform at no cost. The powerful ITarian solution provides an efficient method for operations, boosts productivity, and maximizes the utilization of IT resources. Empower your IT staff with advanced monitoring and management capabilities that enhance their workflow. By seamlessly integrating roles, functions, and tools, IT efficiency is significantly improved. Maintain optimal uptime by proactively identifying and addressing potential issues before they escalate. Automate routine tasks with custom scripts to simplify daily operations, allowing your team to concentrate on strategic projects. This comprehensive strategy not only enhances workflows but also cultivates a culture of innovation within your organization, ultimately leading to a more agile and responsive IT environment. By adopting such a holistic approach, you position your organization to thrive in an increasingly competitive landscape.

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!

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.

A user-friendly configuration interface for Nagios or Naemon is available, tailored for both large corporations and small to medium enterprises. This monitoring solution enables the oversight and administration of all servers, applications, and systems from a single platform, catering to everything from extensive data centers to essential IT service providers. openITCOCKPIT enhances clarity and thorough monitoring of your entire IT landscape, featuring a modular design that supports reporting, event correlation, and clustering within a straightforward web interface. With the aid of service and host templates, seasoned administrators can streamline their workflow, allowing them to allocate more time to other crucial tasks. Additionally, the integration of external systems is simplified through the use of a REST API. By bridging the gap between monitoring and configuration, openITCOCKPIT empowers users to swiftly view the status of their monitored hosts and services in Naemon/Nagios right after exporting their configuration, enabling immediate edits for optimized performance. This innovative approach fosters a more integrated management experience for IT professionals.

Axence nVision is a comprehensive tool tailored for overseeing IT infrastructure of varying scales. This robust system is packed with an array of features that ensure effective and smooth management of IT environments. Comprising six distinct modules, it offers Network Monitoring for thorough oversight of IT assets, Inventory for swift audits of both hardware and software, and User Activity Monitoring along with Helpdesk capabilities to facilitate responsive technical support. Additionally, Dataguard serves to safeguard sensitive information from potential breaches, while Smarttime provides valuable insights into employee productivity and time management practices. With its diverse functionalities, Axence nVision stands out as an essential resource for IT professionals seeking to optimize their operations.