Best Free IT Infrastructure Monitoring Tools of 2025

Compare the Top Free IT Infrastructure Monitoring Tools as of July 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.

1

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.

27 Ratings

Starting Price: €90/month

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2

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.

62 Ratings

Starting Price: $0

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3

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.

3 Ratings

Starting Price: $1,000 per month

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4

Nagios XI

Nagios Enterprises, LLC

Provides monitoring of all mission-critical infrastructure components including applications, services, operating systems, network protocols, systems metrics, and network infrastructure. Hundreds of third-party addons provide for monitoring of virtually all in-house applications, services, and systems. Provides a central view of your entire IT operations network and business processes. Powerful dashboards provide at-a-glance access to powerful monitoring information and third-party data. Views provide users with quick access to the information they find most useful. Automated, integrated trending and capacity planning graphs allow organizations to plan for infrastructure upgrades before outdated systems catch them by surprise. Alerts are sent to IT staff, business stakeholders, and end-users via email or mobile text messages, providing them with outage details so they can start resolving issues immediately.

Starting Price: $1995.00/one-time

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