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 Network Monitoring 2026
Facts read 29 Sep 2026 – 19 Oct 2026
Network monitoring tools help you watch traffic, devices and network paths, then send alerts when conditions need attention. This guide helps buyers compare access, checks, limits, maps, alert channels and deployment choices.
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 Fing Security | Fing checks router vulnerabilities, scans open ports, and detects network threats automatically. | 6.6 | $79.99 a year | Free plan | Android, iPhone & iPad, Web, Windows | 15 Oct 2026 |
| 03 Obkio | Obkio uses distributed agents for network performance tests and troubleshooting. | 6.6 | $249 a month | Free plan | Android, iPhone & iPad, Web, Windows | 14 Oct 2026 |
| 04 Domotz | Domotz may suit managed service providers, IT departments, system integrators, and security professionals managing devices across sites. | 6.5 | $1.50 a month | Free plan | Android, iPhone & iPad, Web, Windows | 30 Sep 2026 |
| 05 Paessler PRTG Network Monitor | Paessler PRTG Network Monitor tracks systems, devices, applications, and metrics on Windows servers. | 6.5 | $200 a month, billed yearly | Free plan | Android, iPhone & iPad, Web, Windows | 30 Sep 2026 |
| 06 ManageEngine OpManager | ManageEngine OpManager watches and controls network infrastructure through one console. | 6.4 | $95 a year | Free plan | Android, iPhone & iPad, Web, Windows | 15 Oct 2026 |
| 07 Centreon | Centreon is an open-source network monitoring platform available on Linux, Windows, and the web. | 6.1 | €2.27 a year | Free plan | Web, Windows, Linux, API | 19 Oct 2026 |
| 08 GlassWire | GlassWire monitors network activity on Android, Windows, and the web. | 6.0 | $2.99 a month, billed yearly | Free plan | Android, Web, Windows | 15 Oct 2026 |
| 09 ntopng | ntopng examines traffic from mirrors, NetFlow, SNMP devices, firewall logs, and intrusion systems. | 6.0 | €299.95 one-time | Free plan | Web, Windows, Mac, Linux | 15 Oct 2026 |
| 10 Site24x7 Network Monitoring | Site24x7 Network Monitoring checks network condition, speed, traffic, and device maps. | 6.0 | $42 a month, billed yearly | Free plan | Android, iPhone & iPad, Web, Windows | 7 Oct 2026 |
The page is rebuilt nightly. Compare the maker-published fields for pricing, platforms and capabilities instead of treating the order as a fixed score.
02
Fing Security
Fing checks router vulnerabilities, scans open ports, and detects network threats automatically.
AndroidiPhone & iPadWeb+5 Record6.6 Visit
03
Obkio
Obkio uses distributed agents for network performance tests and troubleshooting.
AndroidiPhone & iPadWeb+4 Record6.6 Visit
04
Domotz
Domotz may suit managed service providers, IT departments, system integrators, and security professionals managing devices across sites.
AndroidiPhone & iPadWeb+4 Record6.5 Visit
05
Paessler PRTG Network Monitor
Paessler PRTG Network Monitor tracks systems, devices, applications, and metrics on Windows servers.
AndroidiPhone & iPadWeb+5 Record6.5 Visit
6
ManageEngine OpManager
AndroidiPhone & iPadWeb+4 $95 a year Record6.4 Visit ManageEngine OpManager watches and controls network infrastructure through one console.
7
Centreon
WebWindowsLinux+2 €2.27 a year Record6.1 Visit Centreon is an open-source network monitoring platform available on Linux, Windows, and the web.
8
GlassWire
AndroidWebWindows $2.99 a month, billed yearly Record6.0 Visit GlassWire monitors network activity on Android, Windows, and the web.
9
ntopng
WebWindowsMac+3 €299.95 one-time Record6.0 Visit ntopng examines traffic from mirrors, NetFlow, SNMP devices, firewall logs, and intrusion systems.
10
Site24x7 Network Monitoring
AndroidiPhone & iPadWeb+4 $42 a month, billed yearly Record6.0 Visit Site24x7 Network Monitoring checks network condition, speed, traffic, and device maps.
11
FastNetMon
WebMacLinux+2 $115 a month Record5.8 Visit FastNetMon is designed for telcos, ISPs, cloud providers, and enterprise networks seeking DDoS detection and mitigation.
12
EMCO Ping Monitor
WebWindows $199 one-time Record5.6 Visit EMCO Ping Monitor uses ICMP to measure host reachability, packet loss, latency, and jitter.
13
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.
14
Colasoft Capsa
Windows $295 one-time Record5.5 Visit Colasoft Capsa monitors, analyzes, and troubleshoots wired and wireless networks on Windows.
15
OpenNMS
WebLinuxAPI+1 $6,000 a year Record5.4 Visit It suits teams monitoring networks across local and remote sites, including environments where the Core cannot directly reach devices.
16
Intermapper
WebWindowsMac+3 Free plan Record5.1 Visit Intermapper is intended for network administrators, infrastructure and IT operations teams, and leaders responsible for uptime and service reliability.
17
WhatsUp Gold
WebWindowsAPI+1 $866 a year Record5.1 Visit It suits IT teams monitoring mixed network, server, application, cloud, and virtualization environments.
18
Ganglia
WebWindowsMac+2 Free plan Record5.0 Visit Ganglia monitors high-performance computing clusters and Grids with a distributed, hierarchical design.
19
LibreNMS
AndroidiPhone & iPadWeb+3 Free plan Record5.0 Visit LibreNMS discovers network devices, monitors them, and supports alerts and distributed polling.
21
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.
22
LogicMonitor
WebWindowsLinux+1 $16 a month Record4.9 Visit It suits enterprises, IT teams, and MSPs managing complex hybrid infrastructure.
Before you choose
Compare free access and paid plans
Check whether a tool has a free plan, a free trial or a paid-only model. ManageEngine OpManager lists a free plan, a $95 starting price and a 30-day trial; Fing Security lists a free plan without a paid price.
Pricing can use different currencies and billing terms. Check the stated period before comparing prices, such as Checkmk at €190 per month on annual billing or Site24x7 Network Monitoring from $42 per month on annual billing.
Match the platform to your network
Platform support covers web, Windows, Linux, self-hosted deployments, APIs and macOS across the list. Pick the access method that fits where your monitoring system and operators run.
Catchpoint Internet Performance Monitoring lists Android, API, extension, iOS, macOS, web and Windows support. Confirm the platform details that matter to your environment before choosing.
Check the signals you need
Use the comparison fields to separate tools that focus on traffic monitoring, synthetic checks, topology maps or device limits. Alert channels show how a service can notify you when a condition changes.
A tool may suit a small device set or a broader network differently. Review the published device limit and the alert options alongside the checks and traffic views.
Choose hosted or self-hosted deployment
Deployment options include web access and self-hosted use. LibreNMS and NetXMS list free plans, while a paid service such as FrameFlow lists pricing on request and no free plan.
If you need to read or change the code, check a tool's open-source status and licence. Open-source availability is separate from whether a service offers a free plan.
Questions
Which network monitoring tools have a free plan?
ManageEngine OpManager, Obkio, Checkmk, Fing Security, Paessler PRTG Network Monitor, LibreNMS, NetXMS and Domotz list free plans.
Which tools offer a free trial?
ManageEngine OpManager and Checkmk list 30-day trials. Obkio and Domotz list 14-day trials. Paessler PRTG Network Monitor lists a 30-day trial.
Can I use network monitoring software on Linux?
Linux is one of the platforms represented in the list. Check the platform field for the tool you are considering.
Are open-source network monitoring tools included?
Open-source tools are represented in the list. Check a product's licence and deployment details before selecting it.
What features can I compare?
The comparison covers free plan, paid starting price, synthetic checks, device limit, traffic monitoring, topology maps, alert channels and deployment.
Does every tool publish a price?
No. FrameFlow and Catchpoint Internet Performance Monitoring list pricing on request, while other entries publish a starting price or free-plan details.
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