Checkmk may suit teams monitoring servers, networks, cloud environments, or hybrid infrastructure.
Free plan Free trial Open source From $275 a month, billed yearly AndroidiPhone & iPadWebWindowsMacLinux+2
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Best Server Monitoring 2026
Facts read 23 Sep 2026 – 19 Oct 2026
Server monitoring tools help you watch hosts, metrics, processes and containers across Linux, Windows, macOS, web, API and self-hosted setups. Use this list to compare monitoring methods, discovery features, retention and host coverage.
The standings: top 10
| Name | In a line | Record score | Price from | Try it free | Runs on | Facts read |
|---|---|---|---|---|---|---|
| 01 Checkmk | Checkmk may suit teams monitoring servers, networks, cloud environments, or hybrid infrastructure. | 6.8 | $275 a month, billed yearly | Free plan | Android, iPhone & iPad, Web, Windows | 14 Oct 2026 |
| 02 Netdata | Netdata is aimed at infrastructure teams and practitioners, including platform engineers, DevOps teams, SREs, developers, system administrators, CISOs, DBAs, network… | 6.6 | $4.50 a month, billed yearly | Free plan | Android, iPhone & iPad, Web, Windows | 15 Oct 2026 |
| 03 Paessler PRTG Network Monitor | PRTG is intended for small and medium IT infrastructures, with features for OT and IoT environments. | 6.5 | $200 a month, billed yearly | Free plan | Android, iPhone & iPad, Web, Windows | 30 Sep 2026 |
| 04 ManageEngine OpManager | The free edition is described as suited to small networks and labs. | 6.4 | $95 a year | Free plan | Android, iPhone & iPad, Web, Windows | 15 Oct 2026 |
| 05 Centreon | Centreon suits IT teams monitoring infrastructure that spans servers, networks, cloud, applications, or edge systems. | 6.1 | €2.27 a year | Free plan | Web, Windows, Linux, API | 19 Oct 2026 |
| 06 Nagios XI | It suits organizations that can operate a Linux server and want to monitor infrastructure under configured thresholds. | 6.0 | $2,595 one-time | Free plan | Web, Windows, Mac, Linux | 15 Oct 2026 |
| 07 Site24x7 Server Monitoring | It suits IT and DevOps teams monitoring servers across on-premises, cloud, virtual, or hybrid environments. | 6.0 | $9 a month, billed yearly | Free plan | Android, iPhone & iPad, Web, Windows | 3 Oct 2026 |
| 08 Glances | Glances suits people who want to monitor system health locally or remotely and can manage its installation requirements. | 5.9 | Free plan | Free plan | Android, Web, Windows, Mac | 15 Oct 2026 |
| 09 Icinga | Icinga is aimed at teams of any size that need infrastructure and application monitoring, including distributed environments. | 5.8 | $2,000 a year | Free plan | Web, Windows, Linux, API | 4 Oct 2026 |
| 10 openITCOCKPIT | openITCOCKPIT suits teams monitoring mixed infrastructure and applications that want dashboards, reports and integrations. | 5.8 | €1 a year | Free plan | iPhone & iPad, Web, Windows, Mac | 30 Sep 2026 |
The finder is ordered by the newest releases the makers publish. Figures come from maker pages, and nothing is scored.
02
Netdata
Netdata is aimed at infrastructure teams and practitioners, including platform engineers, DevOps teams, SREs, developers, system administrators, CISOs, DBAs, network…
AndroidiPhone & iPadWeb+5 Record6.6 Visit
03
Paessler PRTG Network Monitor
PRTG is intended for small and medium IT infrastructures, with features for OT and IoT environments.
AndroidiPhone & iPadWeb+5 Record6.5 Visit
04
ManageEngine OpManager
The free edition is described as suited to small networks and labs.
AndroidiPhone & iPadWeb+4 Record6.4 Visit
05
Centreon
Centreon suits IT teams monitoring infrastructure that spans servers, networks, cloud, applications, or edge systems.
WebWindowsLinux+2 Record6.1 Visit
6
Nagios XI
WebWindowsMac+3 $2,595 one-time Record6.0 Visit It suits organizations that can operate a Linux server and want to monitor infrastructure under configured thresholds.
7
Site24x7 Server Monitoring
AndroidiPhone & iPadWeb+4 $9 a month, billed yearly Record6.0 Visit It suits IT and DevOps teams monitoring servers across on-premises, cloud, virtual, or hybrid environments.
8
Glances
AndroidWebWindows+4 Free plan Record5.9 Visit Glances suits people who want to monitor system health locally or remotely and can manage its installation requirements.
9
Icinga
WebWindowsLinux+2 $2,000 a year Record5.8 Visit Icinga is aimed at teams of any size that need infrastructure and application monitoring, including distributed environments.
10
openITCOCKPIT
iPhone & iPadWebWindows+4 €1 a year Record5.8 Visit openITCOCKPIT suits teams monitoring mixed infrastructure and applications that want dashboards, reports and integrations.
11
Sensu Go
WebWindowsMac+3 $36 a year Record5.7 Visit Sensu Go is aimed at DevOps and SRE teams monitoring infrastructure across environments.
12
NetXMS
AndroidWebWindows+4 Free plan Record5.5 Visit NetXMS is intended for network and infrastructure monitoring, as well as application, server, service-provider, payment-switch, and industrial-equipment monitoring.
14
Canonical Landscape
WebLinuxAPI+1 $6,861 a year Record5.0 Visit Landscape suits teams administering large or growing Ubuntu environments across desktops, servers, clouds, and embedded devices.
16
LogicMonitor
WebWindowsLinux+1 $16 a month Record4.9 Visit It suits enterprises, IT teams, and MSPs managing complex hybrid infrastructure.
18
Zabbix
WebWindowsMac+3 Free plan Record4.9 Visit Zabbix suits teams monitoring infrastructure, applications, networks, or services across a range of operating systems and data sources.
19
Opsview Cloud
AndroidiPhone & iPadWeb+3 — Record4.8 Visit Opsview Cloud is for organizations monitoring mixed infrastructure and business services across on-premises, cloud, and container environments.
20
Performance Co-Pilot
WindowsMacLinux+2 Free plan Record4.8 Visit PCP suits teams managing distributed systems, clusters, web-server farms, or large environments.
23
eG Enterprise
WebWindowsLinux+1 $100 a month Record4.7 Visit It suits IT operations, architects, SREs, SMEs, DevOps personnel, and developers.
Before you choose
Compare free access and trials
A free plan appears in this category, alongside paid plans and freemium options. Check the Paid from field and what the free plan includes before choosing.
Trial terms vary. BizTalk360, Centreon, Checkmk, Canonical Landscape, eG Enterprise, FrameFlow, Icinga and LogicMonitor publish trial details.
Check the licence and hosting model
Open-source options include Beszel and eZ Server Monitor. Review the licence if you need to read or change the code.
Choose a hosted web service, a self-hosted deployment or an API connection to fit your operating model.
Match the platform
The category covers Linux, Windows and macOS, plus web, API and self-hosted setups. Confirm the supported operating systems and deployment path before you commit.
Set the coverage you need
Compare Included hosts and Metric retention to fit the size and history of your environment. A longer retention period can help when you need older measurements.
Choose the monitoring method
Review Server auto-discovery, Process monitoring and Container monitoring. These fields show how a tool can find systems and what it can watch after setup.
Questions
Are free server monitoring tools listed?
Yes. The category includes free plans and free software, including Beszel, Cockpit Machines, eZ Server Monitor, Glances and Icinga.
Can I find open-source server monitoring software?
Yes. Beszel and eZ Server Monitor list open-source pricing notes.
Do these tools support self-hosted setups?
Self-hosted is one of the deployment platforms represented in this category. Check the platform details for the tool you are considering.
Can I try paid server monitoring tools before buying?
Trial terms appear for products such as BizTalk360, Checkmk, eG Enterprise, FrameFlow, Icinga and LogicMonitor. Lengths differ.
What monitoring features should I compare?
Compare monitoring method, server auto-discovery, process monitoring, container monitoring, metric retention and included hosts.
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