Best Free Network Monitoring Software
View:
Compare the Top Free Network Monitoring Software as of November 2025
Sort By:
What is Free Network Monitoring Software?
Network monitoring software is software that tracks and manages the performance, availability, and health of an organization's network infrastructure. These platforms provide real-time monitoring of network devices such as routers, switches, servers, and firewalls to ensure optimal performance and identify potential issues before they impact operations. Network monitoring software typically includes features like alerting, traffic analysis, bandwidth monitoring, and uptime reporting. It helps IT teams detect bottlenecks, security breaches, or failures, allowing them to take corrective action quickly. By providing detailed insights into network traffic and performance, network monitoring software helps ensure smooth network operations, improve efficiency, and minimize downtime. Compare and read user reviews of the best Free Network Monitoring software currently available using the table below. This list is updated regularly.
-
1
New Relic
New Relic
Simplify and elevate your network monitoring with New Relic's powerful solutions. Seamlessly integrate SNMP and flow data across your stack for real-time insights into performance and traffic patterns. Detect anomalies instantly with AI-powered alerts, optimize operations, and reduce MTTR with actionable intelligence. Tailored for enterprise needs, New Relic ensures your network stays efficient, reliable, and ready for action. Experience the advantage of unified, full-stack analysis and elevate your IT strategy today.Starting Price: Free -
2
ManageEngine OpManager
ManageEngine
ManageEngine OpManager is a comprehensive network monitoring tool that provides real-time visibility into the performance and health of network devices such as routers, switches, servers, and virtual machines. It offers fault detection, bandwidth monitoring, and performance analysis with customizable dashboards and alerts. OpManager supports multi-vendor environments, provides automated root cause analysis, and offers scalability for small to large networks. It also features network mapping, cloud, and virtualization monitoring, making it an all-in-one solution for maintaining optimal network performance and uptime.Starting Price: $95.00/one-time -
3
SuperOps
SuperOps
SuperOps is a future-ready, unified PSA-RMM platform for fast-growing MSPs. Powered with the goodness of AI and intelligent automation, SuperOps is packed with all the features and tools that a modern MSP needs, including project management and IT documentation. MSPs no longer need to toggle between tools to manage different pieces of their work. With SuperOps, MSPs can break free from disjointed, legacy tools and experience a platform that’s built for the cloud and designed to make MSPs’ work and life easier.Starting Price: $79/tech/month -
4
Site24x7
ManageEngine
ManageEngine Site24x7 is a comprehensive observability and monitoring solution designed to help organizations effectively manage their IT environments. It offers monitoring for back-end IT infrastructure deployed on-premises, in the cloud, in containers, and on virtual machines. It ensures a superior digital experience for end users by tracking application performance and providing synthetic and real user insights. It also analyzes network performance, traffic flow, and configuration changes, troubleshoots application and server performance issues through log analysis, offers custom plugins for the entire tech stack, and evaluates real user usage. Whether you're an MSP or a business aiming to elevate performance, Site24x7 provides enhanced visibility, optimization of hybrid workloads, and proactive monitoring to preemptively identify workflow issues using AI-powered insights. Monitoring the end-user experience is done from more than 130 locations worldwide.Starting Price: $9.00/month -
5
Uptrends
Uptrends
ITRS Uptrends helps organizations achieve 24x7 reliability and performance for web services (websites, SaaS, APIs), so mission-critical transactions work from anywhere, anytime. ITRS Uptrends’ intuitive no-code/low-code transaction recorder simplifies the monitoring setup, driving rapid time-to-value even across multi-vendor/domain business services. We continuously monitor multistep user journeys from 368 nodes in 67 countries to provide full visibility beyond uptime. Alongside synthetic monitoring, our real user monitoring captures service usage and adoption to show IT's business impact. Integrating with our real-time observability portfolio, ITRS Uptrends offers end-to-end visibility of business services across hybrid infrastructures. As a SaaS solution, ITRS Uptrends is deployment-free unless private checkpoints are required to monitor from within a corporate network.Starting Price: $17.50/month -
6
Pandora FMS
Pandora FMS
With more than 50,000 customer installations across the five continents, Pandora FMS is a truly all-in-one monitoring solution, covering all traditional silos for specific monitoring: servers, networks, applications, logs, synthetic/transactional, remote control, inventory, etc. Pandora FMS gives you the agility to find and solve problems quickly, scaling them so they can be derived from any source, on-premise, multi cloud or both of them mixed. Now you have that capability across your entire IT stack and analytics to find any problem, even the ones that are hard to find. Thanks to more than 500 plugins available, you can control and manage any application and technology, from SAP, Oracle, Lotus, Citrix or Jboss to VMware, AWS, SQL Server, Redhat, Websphere, etc.Starting Price: €90/month -
7
NetFlow Analyzer
ManageEngine
NetFlow Analyzer is a comprehensive traffic analysis tool that leverages flow technologies to provide real-time visibility into network bandwidth performance. NetFlow Analyzer is primarily a bandwidth monitoring tool, which has optimized thousands of networks globally, offering a holistic view of your network bandwidth and traffic patterns. NetFlow Analyzer is a unified solution that collects, analyzes, and reports on your network's bandwidth usage, and by whom. NetFlow Analyzer is your partner in optimizing bandwidth usage across a million interfaces globally, as well as providing network forensics and network traffic analysis. Reconfigure policies with traffic shaping via ACLs or class-based policies to gain control of the applications that use the most bandwidth. NetFlow Analyzer leverages Cisco NBAR technology to give you deep visibility into Layer 7 traffic and recognize applications that use dynamic port numbers or hide behind known ports.Starting Price: $245 -
8
Appchkr
Nova Software
Appchkr is an uptime monitoring, alerting, and reporting family of software featuring advanced, high power, general purpose types for large networks and server farms to simple, basic types specialized for small businesses and individual websites. Free forever for 10 targets. Hands-free background operation. Swift setup, fast alerts, unmatched feature set and performance/price ratio. Runs on any MSWindows or Linux version. Checks both LANs and WANs, intranet and internet, both inside and outside your network. Worldwide distribution and support. Light on your time, your network, and your budget. Types specialized for databases, facilities management, security, and QA/QC/Certification/test systems. Integrates with Slack and Pagerduty. Offers public status pages. Integrated diagnostic tools help shorten and prevent downtime. Controlled via web browser and/or command line, interchangeably. Auto-flex option minimizes cost. Extensive documentation.Starting Price: $2.99/month -
9
GlassWire
GlassWire
Instantly see who or what your PC is talking to on GlassWire's network monitoring graph, plus see what your PC may have connected to in the past. Detect spyware, malware, badly behaving apps, and bandwidth hogs, then block their connections. Monitor other PCs 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. GlassWire offer a Consumer Solution and a Business solution, to suit the needs of both personal users and IT professionals. Among the features: Real-Time Monitoring to keep an eye on active and past network activity Threat. Threat Detection. GlassWire's built-in firewall detects and blocks potential threats. Application Tracking to Identify which applications are using your network and track their usage patterns. Bandwidth Usage, to stay informed about data consumption, And many more!Starting Price: $35.88/year/user -
10
Igiko Management Tools
Igiko
Igiko Management Tools is web-based software for remote access, management, and monitoring of physical and virtual machines within a permission-based security model. Igiko has a built-in remote desktop gateway that allows you to establish connections with your computers or VMs. Thanks to HTML5 RDP control implemented in the web console, users can work with remote desktops from anywhere using a web browser. Unlike most RMM tools, the Igiko application is an agentless service. You can only install it to one machine to provide monitoring, management, and remote access capabilities to all local computers and VMs. Embedded web server and tunnel providing clients with dedicated DNS address on Igiko server make configuring and accessing the application worldwide seamless and easy to operate. Igiko is ideal for small and medium enterprises, hosting providers, software development and engineering companies, e-learning companies, virtual labs, and home users.Starting Price: $5 for a machine (host or VM) -
11
Paessler PRTG
Paessler GmbH
Paessler PRTG is an all-inclusive monitoring software solution developed by Paessler. Equipped with an easy-to-use, intuitive interface with a cutting-edge monitoring engine, PRTG optimizes connections and workloads as well as reduces operational costs by avoiding outages while saving time and controlling service level agreements (SLAs). The solution is packed with specialized monitoring features that include flexible alerting, cluster failover solution, distributed monitoring, in-depth reporting, maps and dashboards, and more. PRTG monitors your entire IT infrastructure. All important technologies are supported: • SNMP: ready-to-use and custom options • WMI and Windows Performance Counters • SSH: for Linux/Unix and macOS systems • Traffic analysis using flow protocols or packet sniffing • HTTP requests • REST APIs returning XML or JSON • Ping, SQL, and many moreStarting Price: $2149 for PRTG 500 -
12
Sematext Cloud
Sematext Group
Sematext Cloud is an innovative, unified platform with all-in-one solution for infrastructure monitoring, application performance monitoring, log management, real user monitoring, and synthetic monitoring to provide unified, real-time observability of your entire technology stack. It's used by organizations of all sizes and across a wide range of industries, with the goal of driving collaboration between engineering and business teams, reducing the time of root-cause analysis, understanding user behaviour and tracking key business metrics. The main capabilities range from log monitoring to APM, server monitoring, database monitoring, network monitoring, uptime monitoring, website monitoring or container monitoring Find complete details on our website. Or better: start a free demo, no email address required.Starting Price: $0 -
13
Better Stack
Better Stack
Better Stack is a unified observability tool that helps you ship better software, faster. Schedule on-call rotations, receive actionable alerts, and resolve incidents with ease. Better Stack brings together incident management, uptime monitoring, status pages, log management, and infrastructure monitoring – all in one place. 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. Under the hood, Better Stack runs on ClickHouse, enabling lightning-fast queries and scalable ingestion across high-cardinality datasets. You can visualize your entire stack, turn all your logs into structured data, and query everything with SQL – as if it were a single database. Seamlessly integrates into your workflow with 100+ integrations.Starting Price: $29 per month -
14
Obkio
Obkio
Network Performance Monitoring Made Easy. Obkio is a simple Network Monitoring and Troubleshooting SaaS solution that allows users to continuously monitor the health of their network and core business applications to improve the end-user experience. The innovative software application identifies the causes of intermittent network, VoIP, video, and applications slowdown in seconds and collect information to quickly troubleshoot problems before they affect your end-users. Deploy network monitoring Agents at strategic locations in a company's offices or network destinations such as data sites, remote sites, external client sites, or public or private clouds to continuously monitor performance using synthetic traffic exchanged every 500ms. Obkio's Agents give you a 360-degree overview of your network by measuring the network metrics like matter most (jitter, latency, packet loss, VoIP quality), and alerting you of any performance degradation.Starting Price: $399 per month -
15
Opsgenie
Atlassian
Stay aware and in control of all Dev and Ops incidents. Notify the right people, reduce response time, and avoid alert fatigue. Opsgenie is a modern incident management platform that ensures critical incidents are never missed, and actions are taken by the right people in the shortest possible time. Opsgenie receives alerts from your monitoring systems and custom applications and categorizes each alert based on importance and timing. On-call schedules ensure the right people are notified through multiple communication channels including voice calls, email, SMS, and push messages on mobile devices. If an alert is not acknowledged, Opsgenie automatically escalates it, ensuring the incident gets the needed attention. Sign up for an instant free trial.Starting Price: $9 per user per month -
16
Netumo
Netumo
Netumo is a 24×7 host and site up-time and SEO monitor with integrated domain and SSL certificate expiry notification to manage all monitoring from one location. As soon as a website is down or a domain or SSL certificate is about to expire Netumo will inform you via SMS, Email, Twitter, Telegram, Slack, Cisco Webex or Microsoft Teams. Netumo has also an easy way of monitoring your APIs without requiring complex scripting enabling your teams to set up monitoring in minutes. This gives your IT teams better visibility of the infrastructure and enables them to be proactive in fixing issues. They will be the ones chasing the issues and not other teams chasing them when issues arise.Starting Price: $8/month -
17
NMIS
FirstWave
FirstWave’s NMIS is a complete network management system that provides fault, performance, and configuration management, performance graphs, and threshold alerts. Business rules allow for highly granular notification policies with many types of notification methods. NMIS consolidates multiple tools into one system, ready for Network Engineers to use. Scalable, flexible, open, and simple to implement and maintain, NMIS is the Network Management System that underpins the operations of over one hundred thousand organizations worldwide – making it one of the most widely used open-source Network Management Systems in the world today. FirstWave 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.Starting Price: $0 -
18
eG Enterprise
eG Innovations
IT performance monitoring is not about monitoring CPU, memory and network resources any more. eG Enterprise makes user experience the centerpiece of your IT monitoring and management strategy. With eG Enterprise, you can measure the digital experience of your users, get deep visibility into the performance the entire application delivery stack — from code to user experience, and data center to cloud — from a single pane of glass, correlate performance across domains and pinpoint the root-cause of problems proactively. Machine learning and analytics capabilities embedded in eG Enterprise enable IT teams make intelligent decisions regarding right-sizing, optimization and planning for future growth. The result: happy users, enhanced productivity, improved IT efficiency and tangible business ROI. eG Enterprise is available for installation on-premise and as a SaaS solution. Start a free trial today.Starting Price: $1,000 per month -
19
Checkmk
Checkmk
Checkmk is a comprehensive IT monitoring system that enables system administrators, IT managers, and DevOps teams to identify issues across their entire IT infrastructure (servers, applications, networks, storage, databases, containers) and act quickly to resolve them More than 2,000 commercial customers and many more open source users worldwide use Checkmk daily. Key product features: • Service state monitoring with almost 2,000 checks 'out of the box' • Log and event-based monitoring • Metrics, dynamic graphing, and long-term storage • Comprehensive reporting incl. availability and SLAs • Flexible notifications and automated alert handling • Monitoring of business processes and complex systems • Hardware and software inventory • Graphical, rule-based configuration, and automated service discovery Top use cases: • Server Monitoring • Network Monitoring • Application Monitoring • Database Monitoring • Storage Monitoring • Cloud Monitoring • Container MonitoringStarting Price: $0/year -
20
openITCOCKPIT
it-novum GmbH
Easy to use configuration web interface for Nagios and Naemon. The monitoring solution for corporations and SMEs From large data centers to critical IT services – monitor and manage all of your servers, applications and systems at a glance! openITCOCKPIT creates transparency by providing comprehensive monitoring of your entire IT landscape. Its modular design includes features such as reporting, event correlation and clustering capabilities – all in an intuitive web interface. And by using its supplied host and service templates, experienced administrators can save time and effort which will be better placed in other areas. The supplied REST API makes it easy to connect to external systems. With openITCOCKPIT, the classical division between monitoring and configuration is removed. After exporting the configuration to Naemon/Nagios, users can immediately see the status of the monitored hosts and services in the front end and then edit them directly.Starting Price: 0 € -
21
Axence nVision
Axence
Axence nVision is a professional solution designed to manage IT infrastructure regardless of size. A feature-packed system, Axence nVision provides all the functions required for seamless and efficient IT infrastruction management. It offers a set of six modules, which includes Network Monitoring for full IT infrastructure monitoring, Inventory for fast hardware and software audit, Users activity monitoring, Helpdesk for providing interactive IT technical support, Dataguard for data leak protection and Smarttime for time management and employee activity measurement. -
22
Splunk Enterprise
Cisco
Splunk Enterprise is a powerful platform that turns data into actionable insights across security, IT, and business operations. It enables organizations to search, analyze, and visualize data from virtually any source, providing a unified view across edge, cloud, and hybrid environments. With real-time monitoring, alerts, and dashboards, teams can detect issues quickly and act decisively. Splunk AI and machine learning features predict problems before they happen, improving resilience and decision-making. The platform scales to handle terabytes of data and integrates with thousands of apps, making it a flexible solution for enterprises of all sizes. Trusted by leading organizations worldwide, Splunk helps teams move from visibility to action. -
23
WebSitePulse
WebSitePulse
WebSitePulse provides independent, remote monitoring of your web assets. Some of the most used services are uptime monitoring, website monitoring, server monitoring, web transaction monitoring.Starting Price: Free -
24
HTTP Toolkit
HTTP Toolkit
Skim through traffic with highlighting by content type, status & source, or use powerful filtering tools to precisely match the messages that matter to you. Examine the URL, status, headers & body of each request or response, with inline explanations & docs from MDN. Dig into message bodies with highlighting & auto formatting for JSON, HTML, JS, hex and others, all using the power of Monaco, the editor from Visual Studio Code. Precisely match requests, jump to them when they appear, and edit anything: the target URL, method, headers or body. Manually respond directly to requests as they arrive, or pass them upstream, and pause & edit the real response on the way back. Step through HTTP traffic request by request, or manually mock endpoints and errors. Create rules to match requests and respond with your own content, to quickly prototype against new endpoints or services.Starting Price: Free -
25
KeyCDN
Proinity
KeyCDN is a high-performance content delivery network that has been built for the future. It only takes a few minutes to start delivering content to your users at a blazing fast speed. Each edge server is meticulously crafted with an advanced TCP stack, 100% SSD coverage, and much more. Every account, large or small, has access to all of our features, like HTTP/2, Brotli, TLS 1.3, and many more. Our network utilizes IP anycast and our latency-based routing technology for leading performance. Simply add a domain that you would like to supercharge. Optionally make advanced customizations or even use a custom subdomain. Effortlessly add to any CMS, framework, or custom application. Improve image performance by reducing the overall size and using the next-gen formats. Increase image speed by being distributed globally through our premium edge locations.Starting Price: $49 per year -
26
Free Network Monitor
Free Network Monitor
Introducing our cutting-edge network monitor, designed to keep your network services and websites running smoothly and ready for the quantum computing age. Our real-time quantum readiness monitor ensures your website is prepared for future technological advancements. Coupled with our robust service monitor, you'll maintain top performance. Our expanded monitoring includes HTTP for website performance, ICMP for network pinging, DNS for domain lookup, and SMTP for email service monitoring. Receive email alerts if any services are unresponsive, ensuring business-critical performance. Additionally, our local agent monitor app allows you to monitor local hosts, and the ChatGPT-powered text interface provides seamless interaction with the service. Log in with your email for 24/7, 365-day monitoring. With quantum readiness, we're set to elevate your network monitoring to the next level. freenetworkmonitor.clickStarting Price: $1/month -
27
Nagios Core
Nagios Enterprises
Nagios Core is the monitoring and alerting engine that serves as the primary application around which hundreds of Nagios projects are built. Nagios Core serves as the basic event scheduler, event processor, and alert manager for elements that are monitored. It features several APIs that are used to extend its capabilities to perform additional tasks, is implemented as a daemon written in C for performance reasons, & is designed to run natively on Linux/*nix systems. Alerts with escalation capabilities are delivered to IT staff via email and SMS to ensure fast detection of outages. Event handlers can automatically restart failed applications, servers, devices, and services when problems are found. Gain a centralized view of your entire IT operations and review detailed status information through the web interface. -
28
Spiceworks Network Monitor
Spiceworks
Simple, easy-to-use website monitoring software. Real-time up/down status and alerts for your critical web applications and services. Thousands of businesses use Spiceworks to be alerted on the up/down status of the web applications and services that their end-users need to do their job everyday. Spiceworks Connectivity Dashboard is simple to set up. Install the monitoring agent on any workstation/server, configure the application URLs and start monitoring. Get real-time insights and spot sluggish network connections, or overwhelmed applications – either hosted in your data center or in the cloud – before they crash or users start calling. Coming Soon! Get email alerts when a business critical web application is unreachable by your users: CRM, HR, engineering. Real-time status on critical devices and apps. Get the latest monitoring info without the clutter. Keep an eye on everything within your realm with a single, easy-to-use dashboard.Starting Price: $0.01/one-time/user -
29
Zabbix
Zabbix
Zabbix is the ultimate enterprise-level software designed for real-time monitoring of millions of metrics collected from tens of thousands of servers, virtual machines and network devices. Zabbix is Open Source and comes at no cost. Detect problem states within the incoming metric flow automatically. No need to peer at incoming metrics continuously. The native web interface provides multiple ways of presenting a visual overview of your IT environment. Save yourself from thousands of repetitive notifications and focus on root causes of a problem with Zabbix Event correlation mechanism. Automate monitoring of large, dynamic environments.Build distributed monitoring solution while keeping centralized control. Integrate Zabbix with any part of your IT environment. Get access to all Zabbix functionality from external applications through Zabbix API. -
30
Istio
Istio
Connect, secure, control, and observe services. Istio’s traffic routing rules let you easily control the flow of traffic and API calls between services. Istio simplifies configuration of service-level properties like circuit breakers, timeouts, and retries, and makes it easy to set up important tasks like A/B testing, canary rollouts, and staged rollouts with percentage-based traffic splits. It also provides out-of-box failure recovery features that help make your application more robust against failures of dependent services or the network. Istio Security provides a comprehensive security solution to solve these issues. This page gives an overview on how you can use Istio security features to secure your services, wherever you run them. In particular, Istio security mitigates both insider and external threats against your data, endpoints, communication, and platform. Istio generates detailed telemetry for all service communications within a mesh.