Best Free IT Infrastructure Monitoring Tools
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Compare the Top Free IT Infrastructure Monitoring Tools as of August 2025
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What are Free IT Infrastructure Monitoring Tools?
IT infrastructure monitoring tools are software solutions designed to track the performance, availability, and health of an organization's IT systems and networks. These tools provide real-time insights into hardware, software, servers, databases, and network components, helping IT teams identify and resolve potential issues before they impact business operations. By continuously monitoring system metrics, such as CPU usage, memory consumption, bandwidth, and disk space, these tools offer proactive alerts and notifications when thresholds are breached. Some monitoring solutions also include automated troubleshooting capabilities, analytics, and reporting features to improve decision-making. Ultimately, IT infrastructure monitoring tools enhance operational efficiency, minimize downtime, and ensure the reliability of critical IT systems. Compare and read user reviews of the best Free IT Infrastructure Monitoring tools currently available using the table below. This list is updated regularly.
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1
New Relic
New Relic
New Relic delivers advanced Cloud and Infrastructure as a Service (IaaS) monitoring solutions tailored for enterprise-scale needs. Our unified platform aggregates data from your IaaS and Cloud providers, providing real-time monitoring, automatic alerts, and deep insights into performance. Enhance efficiency with eBPF instrumentation with New Relic eAPM, alongside customizable dashboards to optimize resource allocation, control costs, and ensure infrastructure reliability.Starting Price: Free -
2
groundcover
groundcover
Get complete visibility into your cloud infrastructure performance at any scale, easily access all your metrics in one place and optimize infrastructure efficiency. The groundcover platform offers infrastructure monitoring capabilities that were built for cloud-native environments. It enables you to track the health and efficiency of your infrastructure instantly, with an effortless deployment process. Troubleshoot efficiently - acting as a centralized hub for all your infrastructure, application and customer metrics allows you to query, correlate and troubleshoot your cloud environments using real time data and insight on your entire stack. Store it all, without a sweat - store any metrics volume without worrying about cardinality or retention limits. Your subscription costs remain unaffected by the granularity of metrics you store or query.Starting Price: $20/month/node -
3
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 -
4
ManageEngine OpManager
ManageEngine
ManageEngine OpManager is a comprehensive IT infrastructure monitoring solution designed to help organizations ensure optimal performance and availability across their entire network. It provides real-time monitoring for critical IT resources including servers, switches, routers, firewalls, storage devices, and virtual environments. With advanced features such as automated network discovery, customizable dashboards, intelligent alerting, and performance analytics, OpManager empowers IT teams to proactively detect and resolve issues before they impact business operations. Its intuitive interface, scalability, and seamless integration with other IT management tools make it an ideal choice for enterprises seeking unified infrastructure visibility and control.Starting Price: $95.00/one-time -
5
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 -
6
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 -
7
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 -
8
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 -
9
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) -
10
Azure Monitor
Microsoft
Azure Monitor maximizes the availability and performance of your applications and services by delivering a comprehensive solution for collecting, analyzing, and acting on telemetry from your cloud and on-premises environments. It helps you understand how your applications are performing and proactively identifies issues affecting them and the resources they depend on. -
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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 -
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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 -
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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 -
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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 -
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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. -
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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. -
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VirtualMetric
VirtualMetric
VirtualMetric is a powerful telemetry pipeline solution designed to enhance data collection, processing, and security monitoring across enterprise environments. Its core offering, DataStream, automatically collects and transforms security logs from a wide range of systems such as Windows, Linux, MacOS, and Unix, enriching data for further analysis. By reducing data volume and filtering out non-meaningful logs, VirtualMetric helps businesses lower SIEM ingestion costs, increase operational efficiency, and improve threat detection accuracy. The platform’s scalable architecture, with features like zero data loss and long-term compliance storage, ensures that businesses can maintain high security standards while optimizing performance.Starting Price: Free -
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Telegraf
InfluxData
Telegraf is the open source server agent to help you collect metrics from your stacks, sensors and systems. Telegraf is a plugin-driven server agent for collecting and sending metrics and events from databases, systems, and IoT sensors. Telegraf is written in Go and compiles into a single binary with no external dependencies, and requires a very minimal memory footprint. Telegraf can collect metrics from a wide array of inputs and write them into a wide array of outputs. It is plugin-driven for both collection and output of data so it is easily extendable. It is written in Go, which means that it is a compiled and standalone binary that can be executed on any system with no need for external dependencies, no npm, pip, gem, or other package management tools required. With 300+ plugins already written by subject matter experts on the data in the community, it is easy to start collecting metrics from your end-points.Starting Price: $0 -
19
LPAR2RDD
XORUX
The tool offers you end-to-end views of your server environment and can save you significant money in operation monitoring by predicting utilization bottlenecks in your virtualized environment. You can also generate policy-based alerts, capacity reports, and load forecasts. Leading performance-monitoring solution thanks to unique web-based UI for graphical interpretation of performance utilization in a virtualized environment. You can find utilization of any attached storage in a simple graphical form comprehensible to anyone from technician to management level. It provides a complete performance and mapping overview through Cloud, server virtualization layer, Database, SAN, LAN and storage. Free to use. You do not need to purchase expensive commercial solutions. Free to use. You do not need to purchase expensive commercial solutions. Free to use. You do not need to purchase expensive commercial solutions.Starting Price: $3000.00/year -
20
AKIPS Network Monitor
AKIPS
AKIPS Network Monitoring Software is a fully featured, fast and cost-effective network and infrastructure performance-monitoring tool. It delivers unmatched visibility across your network. AKIPS detects faults and performance issues. This empowers your business to maintain its operational state and minimise possible disruptions due to IT infrastructure failing or risk events occurring. AKIPS is a multi-award-winning company and prides itself on its innovative technology. Benefits: - Visibility of your entire network - A single product for ping, SNMP, syslog, traps, NetFlow, alerting and much more - Our single server scales to 1,000,000 interfaces and 500,000 flows per second - 60-second polling for every MIB object - 15-second ping for every device - SNMP v1/v2/v3 - Integration with third-party apps (Opsgenie, Pagerduty, ServiceNow, Slack, Splunk) - Flat-fee subscription (no extra costs) -
21
Logz.io
Logz.io
We know engineers love open source. So we supercharged the best open source monitoring tools — including ELK, Prometheus, and Jaeger, and unified them on a scalable SaaS platform. Collect and analyze your logs, metrics, and traces on one unified platform for end-to-end monitoring. Visualize your data on easy-to-use and customizable monitoring dashboards. Logz.io’s human-coached AI/ML automatically uncovers errors and exceptions in your logs. Quickly respond to new events with alerting to Slack, PagerDuty, Gmail, and other endpoints. Centralize your metrics at any scale on Prometheus-as-a-service. Unified with logs and traces. Add just three lines of code to your Prometheus config files to begin forwarding your metrics to Logz.io for storage and analysis. Quickly respond to new events by alerting Slack, PagerDuty, Gmail, and other endpoints. Logz.io’s human-coached AI/ML automatically uncovers errors and exceptions in your logs.Starting Price: $89 per month -
22
OpsNow
Bespin Global
Cloud costs and features change by the moment. Let OpsNow manage your cloud, and so you can focus on what’s important! OpsNow efficiently improves Cloud management, operations, and IT processes, through automation, cost optimization, analysis, and monitoring. OpsNow helps customers to use a single, unified tool to manage, not only IDC, but also other multi-Cloud platforms like AWS, Azure, and Aliyun. You no longer have to set or apply rules for each Cloud environment. You can also manage applications and resources operated in various Cloud environments, from a single platform. OpsNow monitors system and infrastructure with more frequency than the Cloud service providers (CSP), raising the standards that the customers need. So now you can have a deeper understanding of resource usage with this data, compared to the Cloud service provider’s simplistic monitoring data.Starting Price: $100 per month -
23
Prometheus
Prometheus
Power your metrics and alerting with a leading open-source monitoring solution. Prometheus fundamentally stores all data as time series: streams of timestamped values belonging to the same metric and the same set of labeled dimensions. Besides stored time series, Prometheus may generate temporary derived time series as the result of queries. Prometheus provides a functional query language called PromQL (Prometheus Query Language) that lets the user select and aggregate time series data in real time. The result of an expression can either be shown as a graph, viewed as tabular data in Prometheus's expression browser, or consumed by external systems via the HTTP API. Prometheus is configured via command-line flags and a configuration file. While the command-line flags configure immutable system parameters (such as storage locations, amount of data to keep on disk and in memory, etc.). Download: https://sourceforge.net/projects/prometheus.mirror/Starting Price: Free -
24
Nixstats
Nixstats
Just a one line command to install the monitoring agent on all your servers. No complicated setups, get started within minutes. Keep track of your servers infrastructure usage and prevent downtime and performance issues. Over 40 plugins available out-of-the-box such as CPU, Process, Network, NGiNX, Disk I/O and much more. Server logs are essential to diagnose and prevent issues on your server infrastructure. Use our advanced log search or use the live tail feature. Do you know if you're keeping a clean IP space? Ensure that your e-mail will not end up in the spam folder. Our control panel is customizable and easy to use, providing a better and more enjoyable user experience. We can monitor HTTP(S), TCP as well as ICMP (ping) endpoints, be the first to know about downtime of your web endpoints.Starting Price: $9.95 per month -
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NetApp Cloud Insights
NetApp
Control the performance and utilization of your cloud workloads. NetApp Cloud gives you complete visibility into your infrastructure and applications. With Cloud Insights, you can monitor, troubleshoot and optimize all your resources and applications across your entire technology stack, whether it’s on-prem or in the cloud. Protect your most valuable business asset – data - from ransomware with early detection and automated responses to threats. Alert on potential misuse or theft of key intellectual property by malicious parties, both internal and external to your organization. Ensure corporate compliance by auditing access and usage patterns to your critical corporate data on-premises or in the cloud. From the public cloud to the datacenter, full-stack visibility of infrastructure and applications from hundreds of collectors available, all in one place. You don’t need to scramble to find new monitoring tools every time a new platform is introduced into your organization.Starting Price: $6 per month -
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SquaredUp
SquaredUp
SquaredUp is a unified observability portal. Say goodbye to blind spots and data silos. Using data mesh and cutting-edge data visualization, SquaredUp gives IT and engineering teams one place to see everything that matters. Bring together data from across your tech stack without the headache of moving the data. Unlike other monitoring and observability tools that rely on a data warehouse, SquaredUp leaves your data where it is, plugging directly into each data source to index and stitch the data together using a data mesh. Teams have one place to go where they can search, visualize, and analyze data across all their tools. Take control of infrastructure, application, and product performance with unified visibility. Free for up to 3 users. What you get: > Cutting-edge data visualization > Access to 100+ data sources > Any custom data source via Web API > Multi-cloud observability > Cost monitoring > Unlimited dashboards > Unlimited monitorsStarting Price: $9 Per user/month -
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Bleemeo
Bleemeo
Bleemeo is a Cloud Monitoring Platform that allows DevOps and IT teams to monitor their infrastructure from the servers to the applications. It only takes 30 seconds to get a complete live picture of your infrastructure. Our agent discovers services and creates checks and metrics. Dashboards and notification rules for servers and services are automatically created. Android and iOS applications are available. Kubernetes, containers, and elastic infrastructures are fully supported. Deploying a robust, scalable monitoring solution can be time-consuming. At Bleemeo, we focus on making users life easier. Common operating systems and services are auto-detected, default dashboards and notification rules are created. All you need is connect your agent and then customize for your needs. On hosts running Bleemeo monitoring agent, common services are automatically detected and dashboards with services health checks and metrics are automatically generated.Starting Price: €4.99 per month -
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InsightFinder
InsightFinder
InsightFinder Unified Intelligence Engine (UIE) platform provides human-centered AI solutions for identifying incident root causes, and predicting and preventing production incidents. Powered by patented self-tuning unsupervised machine learning, InsightFinder continuously learns from metric time series, logs, traces, and triage threads from SREs and DevOps Engineers to bubble up root causes and predict incidents from the source. Companies of all sizes have embraced the platform and seen that business-impacting incidents can be predicted hours ahead with clearly pinpointed root causes. Survey a comprehensive overview of your IT Ops ecosystem, including patterns, trends, and team activities. Also view calculations that demonstrate overall downtime savings, cost of labor savings, and number of incidents resolved.Starting Price: $2.5 per core per month -
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SigNoz
SigNoz
SigNoz is an open source Datadog or New Relic alternative. A single tool for all your observability needs, APM, logs, metrics, exceptions, alerts, and dashboards powered by a powerful query builder. You don’t need to manage multiple tools for traces, metrics, and logs. Get great out-of-the-box charts and a powerful query builder to dig deeper into your data. Using an open source standard frees you from vendor lock-in. Use auto-instrumentation libraries of OpenTelemetry to get started with little to no code change. OpenTelemetry is a one-stop solution for all your telemetry needs. A single standard for all telemetry signals means increased developer productivity and consistency across teams. Write queries on all telemetry signals. Run aggregates, and apply filters and formulas to get deeper insights from your data. SigNoz uses ClickHouse, a fast open source distributed columnar database. Ingestion and aggregations are lightning-fast.Starting Price: $199 per month -
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Amazon OpenSearch Service
Amazon
Increase operational excellence by using a popular open source solution, managed by AWS. Audit and secure your data with a data center and network architecture with built-in certifications. Systematically detect potential threats and react to a system’s state through machine learning, alerting, and visualization. Optimize time and resources for strategic work. Securely unlock real-time search, monitoring, and analysis of business and operational data. Amazon OpenSearch Service makes it easy for you to perform interactive log analytics, real-time application monitoring, website search, and more. OpenSearch is an open source, distributed search and analytics suite derived from Elasticsearch. Amazon OpenSearch Service offers the latest versions of OpenSearch, support for 19 versions of Elasticsearch (1.5 to 7.10 versions), as well as visualization capabilities powered by OpenSearch dashboards and Kibana.Starting Price: $0.036 per hour
