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
Every product here is ranked by Samsung Mobile US Press's record score: what its maker publishes about it, where it runs (Android first), whether it is free to try, and how recently the facts were read.
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 Record6.6 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
openITCOCKPIT
iPhone & iPadWebWindows+4 €1 a year Record5.9 Visit openITCOCKPIT suits teams monitoring mixed infrastructure and applications that want dashboards, reports and integrations.
10
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.
11
Sensu Go
WebWindowsMac+3 $36 a year Record5.8 Visit Sensu Go is aimed at DevOps and SRE teams monitoring infrastructure across environments.
12
NetXMS
AndroidWebWindows+4 Free plan Record5.6 Visit NetXMS is intended for network and infrastructure monitoring, as well as application, server, service-provider, payment-switch, and industrial-equipment monitoring.
13
Canonical Landscape
WebLinuxAPI+1 $6,861 a year Record5.2 Visit Landscape suits teams administering large or growing Ubuntu environments across desktops, servers, clouds, and embedded devices.
16
Zabbix
WebWindowsMac+3 Free plan Record5.0 Visit Zabbix suits teams monitoring infrastructure, applications, networks, or services across a range of operating systems and data sources.
18
LogicMonitor
WebWindowsLinux+1 $16 a month Record4.9 Visit It suits enterprises, IT teams, and MSPs managing complex hybrid infrastructure.
19
Opsview Cloud
AndroidiPhone & iPadWeb+3 — Record4.9 Visit Opsview Cloud is for organizations monitoring mixed infrastructure and business services across on-premises, cloud, and container environments.
21
Performance Co-Pilot
WindowsMacLinux+2 Free plan Record4.9 Visit PCP suits teams managing distributed systems, clusters, web-server farms, or large environments.
23
eG Enterprise
WebWindowsLinux+1 $100 a month Record4.8 Visit It suits IT operations, architects, SREs, SMEs, DevOps personnel, and developers.
24
Prometheus
WebWindowsMac+2 Free plan Record4.8 Visit Prometheus suits teams that need to collect and query system metrics or set up alerts.
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