Compare the Top Free System Monitoring Software as of October 2025

What is Free System Monitoring Software?

System monitoring software is designed to track the performance, health, and availability of IT systems, including servers, networks, applications, and hardware. It continuously collects data such as CPU usage, memory consumption, disk activity, and network throughput to detect anomalies or potential failures. Many tools feature dashboards, alerts, and automated reports to help administrators respond quickly to issues before they impact end users. By providing real-time visibility, system monitoring software helps organizations maintain uptime, optimize resource usage, and improve troubleshooting efficiency. It is widely used in IT operations, DevOps, and enterprise environments to ensure system reliability and performance. Compare and read user reviews of the best Free System Monitoring software currently available using the table below. This list is updated regularly.

  • 1
    Site24x7

    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.
    Leader badge
    Starting Price: $9.00/month
    View Software
    Visit Website
  • 2
    Uptrends

    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
    View Software
    Visit Website
  • 3
    Pandora FMS

    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.
    Leader badge
    Starting Price: €90/month
  • 4
    Xitoring

    Xitoring

    Xitoring

    Stop using multiple apps for server uptime and performance monitoring. Get Xitoring , and start monitoring numerous servers and websites in minutes by running one CLI command. We’ll automatically configure everything! Xitoring is an innovative SaaS platform for server monitoring. Our agent, Xitogent , gathers data from your servers to ensure optimal performance and prevent downtime. By keeping your systems running smoothly, we help boost customer satisfaction. Our global probing nodes continuously monitor your servers. If any issues arise, we notify the right contact instantly. At Xitoring, we’re committed to improving our software and adding incredible features in the future. Introduced in 2021, Xitoring aims to revolutionize the server monitoring industry with automation for those tired of traditional methods.
    Starting Price: $4.99 OR Lifetime free
  • 5
    Paessler PRTG

    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 more
    Leader badge
    Starting Price: $2149 for PRTG 500
  • 6
    TeamViewer

    TeamViewer

    TeamViewer

    TeamViewer is a popular remote access and support software that enables users to connect to and control computers and devices from anywhere in the world. It is widely used for troubleshooting technical issues, managing IT services, and providing customer support. The software allows for secure file sharing, real-time collaboration, and remote desktop access across different platforms, including Windows, macOS, Linux, iOS, and Android. TeamViewer's security features include end-to-end encryption and two-factor authentication, ensuring safe and reliable remote connections. It is used by individuals, IT professionals, and large organizations to enhance productivity, offer remote support, and manage devices efficiently.
    Leader badge
    Starting Price: $24.90 per month
  • 7
    Better Stack

    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.
    Leader badge
    Starting Price: $29 per month
  • 8
    eG Enterprise

    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
  • 9
    KACE by Quest

    KACE by Quest

    Quest Software

    KACE® by Quest supports your unified endpoint management (UEM) strategy by helping you discover and track every device in your environment, automate administrative tasks, keep compliance requirements up-to-date and secure your network from a range of cyberthreats. Discover, manage and secure all your endpoints from one console as you co-manage your traditional and modern endpoints, including Windows, Mac, Linux, ChromeOS, and iOS and Android devices. KACE is a Unified Endpoint Management solution that offers a single point of control for managing IT systems across the entire organization, inside or outside your network. This comprehensive solution takes the stress out of keeping devices secure and compliant so you can do more.
    Starting Price: As low as $3/mo/device
  • 10
    Panorama9

    Panorama9

    Panorama9

    This is IT monitoring and management done right. Get the full picture and respond quickly to issues. Patch management, remote control, network discovery, all built into one beautiful and easy-to-use solution. Got a minute? That’s how long it takes to deploy and install a powerful and lightweight agent on all of your devices. Within minutes you are provided with detailed information about your IT environment. IT administration is complex but we make your job easier. Automatically discover devices and services in your IT environment. Remote install applications and run scripts. Everything you need in one comprehensive tool. Downtime is unacceptable. Panorama9 foresees problems so you can be proactive instead of reactive. When things do go wrong you are notified instantly and can take action before your users notice anything. Your security is only as strong as the weakest link - we'll tell you where that is.
  • Previous
  • You're on page 1
  • Next