Best Free Network Monitoring Software of 2026

SuperOps is the AI-native unified platform for modern MSPs and internal IT teams. It replaces the typical four-to-six-tool IT operations stack - PSA, RMM, helpdesk, MDM, asset tracking, network monitoring, patch management and IT documentation - with a single, built-as-one platform on a shared data layer. That architectural choice is what makes the rest of the platform work, particularly its agentic AI. Monica AI, SuperOps' intelligence layer, was designed alongside the platform from day one. It triages tickets, surfaces patch and CVE risks, drafts worklogs, suggests knowledge base articles, and increasingly handles fully autonomous workflows for routine work. SuperOps supports Windows, macOS, Linux, iOS, iPadOS and Android, integrates with the IT and MSP ecosystem (Slack, Teams, Azure AD, Okta, QuickBooks, Xero, Bitdefender, SentinelOne and more), and bundles Splashtop and ISL Online remote access free. Transparent pricing, fast deployment, founder-led product investment.

Transform your network monitoring experience with New Relic's advanced solutions. Effortlessly incorporate SNMP and flow data throughout your system for immediate visibility into performance metrics and traffic trends. Quickly identify anomalies using AI-driven alerts, enhance operational efficiency, and minimize MTTR with insightful data. Designed specifically for large enterprises, New Relic guarantees your network remains effective, dependable, and prepared for any challenge. Discover the benefits of comprehensive, integrated analysis and enhance your IT approach now.

Monitor the volume of data your PC is using for every single app, thanks to GlassWire's network monitoring graph. Keep track of the volume of data you received and sent in the past and who or what your PC is talking to. Detect spyware, malware, badly behaving apps, and bandwidth hogs, then block their connections with our powerful firewall. Monitor devices on your network and get alerted when new unknown devices join your WiFi. GlassWire warns you of network-related changes to your PC or unusual changes to your apps that could indicate malware.

ACS Monitor is a self-hosted solution for network oversight tailored for managed service providers, IT departments, and home lab enthusiasts who desire complete authority over their information. Its features encompass SNMP polling with support for versions v1, v2c, and v3, including custom OIDs, as well as a diverse array of 11 service monitoring types such as HTTP, ping, DNS, SSH, SMTP, TCP, FTP, POP3, IMAP, MySQL, and HTTPS. Additionally, it offers website monitoring capabilities that include SSL expiration tracking and content change detection, automated network discovery, and thresholds for consecutive failure alerts sent via email, SMS, Slack, and webhooks. Users can take advantage of 25 different drag-and-drop dashboard widget types that are easily shareable via links. The platform also provides browser-based diagnostic tools such as ping, traceroute, port scanning, DNS lookups, SSL checks, WHOIS queries, and HTTP header analysis with real-time output. A comprehensive REST API further enhances its functionality. There are two installation methods available: a simple one-command installer compatible with AlmaLinux, Ubuntu, Debian, Rocky, RHEL, Fedora, and Raspberry Pi OS, or a bootable ISO for dedicated virtual machines or bare metal setups. Both installation options can be completed in less than thirty minutes. Moreover, the free tier supports monitoring for up to 100 devices without any time restrictions, making it an excellent choice for users looking to manage their networks effectively.

OpManager is the ideal end-to-end network monitoring tool for your organization's network. With OpManager, you can keep a close eye on health, performance, and availability levels of all network devices. This includes monitoring switches, routers, LANs, WLCs, IP addresses and firewalls. Insights into your hardware health and performance; monitor CPU, memory, temperature, disk usage, and more to improve efficiency. Seamlessly manage faults and alerts with instant notifications and detailed logs. Streamlined workflows facilitate easy set-up to execute quick diagnosis and corrective measures. The solution also comes with powerful visualization tools such as business views, 3d data center views, topology maps, heat maps, and customizable dashboards. Get proactive in capacity planning and decision-making with over 250 predefined reports covering all important metrics and areas in your network. Overall, OpManager's detailed management capabilities make it the ideal solution for IT administrators to achieve network resiliency and efficiency.

NetFlow Analyzer provides real-time visibility to network bandwidth performance and leverages flow technologies. NetFlow Analyzer provides a comprehensive view of your network bandwidth usage and traffic patterns. It has been used to optimize thousands of networks worldwide. NetFlow Analyzer provides a single solution that analyzes, reports, and collects data about your network's bandwidth usage. NetFlow Analyzer can help you optimize bandwidth usage across more than a million interfaces worldwide. It also provides network forensics, network traffic analysis, and network forensics. To gain control over the most used applications, you can reconfigure policies using traffic shaping via ACLs and class-based policies. NetFlow Analyzer uses Cisco NBAR technology to provide deep visibility into Layer 7 traffic. It can also identify applications that use dynamic port numbers, or hide behind known ports.

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 allows you to quickly find and solve problems. It scales them so that they can be derived either from on-premise, multi-cloud, or both. You now have the ability to use your entire IT stack and analytics to solve any problem, even those that are difficult to find. You can control and manage any technology and application with more than 500 plugins, including SAP, Oracle, Lotus or Citrix, Jboss, VMware, AWS and SQL Server.

Netumo monitors your public infrastructure and notifies you as soon as something happens. It is able to reach you on one of the 6 different mediums that it supports i.e. Email, SMS, Twitter, Telegram, Slack, Cisco Webex, and or Microsoft Teams. This enables your team to be the first one to know that there is something wrong and they can take action. Netumo has built-in SSL and Domain expiry checks so that as soon as one of these is due for expiry, then your team is immediately notified such that they can be aware and take action. In such cases, it's not the first time that such things go unnoticed resulting in downtime. Netumo also supports monitoring of your APIs (RESTful services) just like normal sites making it easy without complex scripting which is sometimes required in other tools. Apart from uptime monitoring SEO based monitoring is also available where you can check specific elements of your site as well as audit your pages for improved SEO. Powerful Reports are also available so that you can track what went wrong at specific periods. In summary, Netumo can get you monitoring in minutes.

Appchkr provides a comprehensive suite of software for uptime monitoring, alerting, and reporting, catering to a wide range of users from large networks and server farms to small businesses and personal websites. It is available for free for up to 10 targets, ensuring hands-free operation in the background. With a quick setup process, fast notification capabilities, and an unmatched combination of features and affordability, it supports any version of MS Windows or Linux. Appchkr effectively monitors both local area networks (LANs) and wide area networks (WANs), as well as internal and external internet connections. The service is distributed globally and offers reliable support, making it accessible to users everywhere. Designed to be efficient in terms of time, network resources, and financial investment, it includes specialized options for databases, facilities management, security, and quality assurance systems. Additionally, Appchkr integrates seamlessly with platforms like Slack and PagerDuty while providing public status pages for transparency. Its integrated diagnostic tools aid in reducing and preventing downtime, and it can be controlled through either a web browser or command line interchangeably. The auto-flex feature helps to keep costs down, and users benefit from extensive documentation to guide them through setup and use. This versatile monitoring solution is a valuable asset for anyone looking to maintain optimal system performance.

Igiko Management Tools is a web-based software that allows remote access to, management and monitoring of physical or virtual machines within a permissions-based security model. Igiko comes with a built-in remote gateway that allows you establish connections to your computers and VMs. The web console supports HTML5 RDP control, which allows remote desktops to be accessed from any web browser. The Igiko application, unlike most RMM tools is an agentless service. To provide remote access, monitoring, management and remote access capabilities to all local computers or VMs, you can only install it on one machine. Configuring and accessing the application globally is easy with embedded web server and tunnel-provider clients that have a dedicated DNS address on Igiko server. Igiko is ideal to small and medium businesses, hosting providers and software development and engineering firms, as well as home users and virtual labs.

Do you still need to manage systems after migrating from the Cloud? Cloud providers require companies to ensure that the infrastructure and services are always available and functioning. What are the requirements of cloud-based companies? > Avoid Alert Fatigue and Notify Incidents You must manage the > Unknown into The Known SendQuick Cloud enables: - Active monitoring with Ping, Port, and URL Checks - Roster Management and Rule Configuration - Users can choose between SMS, Facebook Messenger and Line, Telegram, MS Teams and Slack.

XPM is a commercial quality and enterprise level performance management/monitoring and traffic analysis solution. XPM is a high performance enterprise product based upon Linux that supports continuous operation from 7*24*365. It may not be appropriate for all users, but it is more suitable for enterprises who require higher IT service quality. XPM monitoring objects include: 1. Applications using HTTP protocol 2. 2. Databases (Oracle MySQL, MS-SQL Server, and MySQL); 3. URL Transaction 4. 4. Awards of XPM ITSS 2018 Innovation Award ITSS is a department of Ministry of Industry and Information Technology of China. Please be aware that: This is the downloadable version of XPM Standard, which can analyze approximately 1 Gbps traffic in real-time and only supports X86 server installation. Contact us by email if you require vProbe XPM to monitor virtual machines traffic or XPM H version over 1Gbps.

MyMonitor365 is a cloud-based uptime and infrastructure monitoring platform designed to help organizations proactively monitor critical systems, detect outages quickly, and maintain reliable IT operations. The platform provides comprehensive monitoring capabilities for websites, REST APIs, servers, SSL certificates, DNS records, TCP ports, network devices, email systems, backups, and Microsoft 365 services from one centralized dashboard. MyMonitor365 uses global monitoring agents across multiple geographic regions to verify service availability and reduce false positives caused by localized network disruptions. The platform supports smart alerting with configurable thresholds, escalation policies, maintenance windows, and real-time notifications delivered through email, SMS, webhooks, Slack, Microsoft Teams, Discord, Telegram, and other integrations. MyMonitor365 also includes advanced security and compliance features such as SSL/TLS inspection, DNS hijacking detection, two-factor authentication, audit logging, and keyword monitoring for validating application responses and service behavior. Managed service providers can use white-label monitoring features to oversee client infrastructure, voice systems, Microsoft 365 environments, Exchange servers, and backup systems from one platform. The system provides detailed incident timelines, root cause analysis tools, and compliance-focused activity tracking to help IT teams troubleshoot issues more effectively and maintain operational transparency. MyMonitor365 is built to support IT departments, MSPs, and growing businesses that need reliable visibility into infrastructure performance, service availability, and operational health.

Paessler PRTG is an all-inclusive monitoring solution with an intuitive, user-friendly interface powered by a cutting-edge monitoring engine. It optimizes connections and workloads, reduces operational costs, and prevents outages. It also saves time and controls service level agreements (SLAs). This solution includes specialized monitoring features such as flexible alerting, cluster failover, distributed monitoring, maps, dashboards, and in-depth reporting.

Sematext Cloud provides all-in-one observability solutions for modern software-based businesses. It provides key insights into both front-end and back-end performance. Sematext includes infrastructure, synthetic monitoring, transaction tracking, log management, and real user & synthetic monitoring. Sematext provides full-stack visibility for businesses by quickly and easily exposing key performance issues through a single Cloud solution or On-Premise.

Site24x7 provides unified cloud monitoring to support IT operations and DevOps within small and large organizations. The solution monitors real users' experiences on websites and apps from both desktop and mobile devices. DevOps teams can monitor and troubleshoot applications and servers, as well as network infrastructure, including private clouds and public clouds, with in-depth monitoring capabilities. Monitoring the end-user experience is done from more 100 locations around the globe and via various wireless carriers.

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. Seamlessly integrates into your workflow with 100+ integrations.

IT teams, MSPs, and network engineers use Obkio to gain complete visibility into network performance, whether it's happening in the office, across a hybrid workforce, or in the cloud. Obkio is a Network Performance Monitoring (NPM), observability, and diagnostics platform that works by deploying lightweight monitoring agents at any location, with no special hardware required. These agents continuously measure latency, jitter, packet loss, and bandwidth, while running Visual Traceroutes to map performance across the full network path. The platform covers SD-WAN, MPLS, and VoIP/UC monitoring, along with visibility into multi-site and distributed networks. Application performance monitoring (APM) rounds out the picture with HTTP, Web, and Teams-based synthetic tests. A standout feature, Obkio Insight, automates root-cause diagnostics, quickly showing whether a problem sits within the internal network, with an ISP, or with a third-party provider, backed by concrete performance data. Because it deploys in minutes, Obkio gives teams fast answers instead of raw data to sift through. The result: less time troubleshooting, stronger SLA validation, and clear proof of whether the network performance they're paying for matches what they're actually getting.

Remain vigilant and proactive in managing all Development and Operations incidents. Promptly inform the appropriate personnel, minimize response time, and prevent alert fatigue. Opsgenie serves as a contemporary incident management solution, guaranteeing that significant incidents are not overlooked and that the right actions are executed swiftly by the designated team members. The platform collects alerts from your monitoring tools and custom applications, organizing each notification by relevance and urgency. On-call schedules are established to ensure that the appropriate individuals are alerted through various communication methods, including phone calls, emails, SMS, and mobile push notifications. If an alert goes unacknowledged, Opsgenie automatically escalates the situation, ensuring that the incident receives the necessary focus and intervention. Take advantage of an instant free trial to explore its capabilities. By utilizing Opsgenie, teams can enhance their incident response strategy and foster a more efficient operational environment.

FirstWave’s NMIS is a network management system that provides fault, performance, configuration management, performance graphs, and threshold alerts. Business rules allow for highly specific notification policies that can be used with multiple notification methods. FirstWave also enables partners, including some of the world’s largest telcos and managed service providers (MSPs), to protect their customers from cyber-attacks, while rapidly growing cybersecurity services revenues at scale. FirstWave provides a comprehensive end-to-end solution for network discovery, management, and cybersecurity for its partners globally.

IT performance monitoring does not just focus on monitoring CPU, memory, and network resources. eG Enterprise makes the user experience the center of your IT management and monitoring strategy. eG Enterprise allows you to measure the digital experience of your users and get deep visibility into the performance of the entire application delivery chain -- from code to user experiences to data center to cloud -- all from a single pane. You can also correlate performance across domains to pinpoint the root cause of problems proactively. eG Enterprise's machine learning and analytics capabilities enable IT teams to make smart decisions about right-sizing and optimizing for future growth. The result is happier users, increased productivity, improved IT efficiency, and tangible business ROI. eG Enterprise can be installed on-premise or as a SaaS service. Get a free trial of eG Enterprise today.

Empower your team to oversee and control the security, efficiency, and management of your complete IT infrastructure through a unified platform, all without any expense to you. The robust ITarian platform offers a streamlined approach to operations, enhances productivity, and optimizes the use of IT resources. Equip your IT personnel with enhanced monitoring and management functionalities. Increase IT efficiency by integrating roles, functions, and tools seamlessly. Ensure maximum uptime through proactive identification and resolution of issues. Streamline daily operations by automating routine tasks using custom scripts, thereby allowing your staff to focus on more strategic initiatives. This holistic approach not only improves workflows but also fosters innovation within your organization.

Uptrends is all about cloud-based website performance that keeps track of performance, uptime, and functionality of your websites and APIs. The 24/7 monitoring service that proactively test your website and monitor multi-step transactions. Let’s face it—the Internet is a fragile thing. Stuff breaks or slows every now and then. Uptrends lets you know when it does and what exactly happened. Feel free to try Uptrends for 30 days with our free trial!

Checkmk is an IT monitoring system that allows system administrators, IT managers and DevOps teams, to quickly identify and resolve issues across their entire IT infrastructure (servers and applications, networks, storage and databases, containers, etc. Checkmk is used daily by more than 2,000 commercial customers worldwide and many other open-source users. Key product features * Service state monitoring with nearly 2,000 checks 'outside the box' * Event-based and log-based monitoring * Metrics, dynamic Graphing, and Long-Term Storage * Comprehensive reporting incl. Accessibility and SLAs * Flexible notifications and automated alert handling * Monitoring business processes and complex systems * Software and hardware inventory * Graphical, rule-based configuration and automated service discovery These are the top use cases * Server Monitoring * Network Monitoring * Application Monitoring * Database Monitoring * Storage Monitoring * Cloud Monitoring * Container Monitoring

Simple configuration interface for Nagios or Naemon. Monitoring solution for corporations and SME Monitor and manage all your servers, applications, and systems in one place, from large data centers to critical IT service providers. openITCOCKPIT provides transparency and comprehensive monitoring of your entire IT environment. Its modular design allows for reporting, event correlation, and clustering capabilities all within an intuitive web interface. Experienced administrators can save time by using the service templates and host templates. This will allow them to spend more time on other areas. It is easy to connect external systems using the REST API. OpenITCOCKPIT eliminates the traditional division between configuration and monitoring. After exporting the configuration, users can instantly see the status of monitored hosts and services in Naemon/Nagios and edit them.