Best Network Monitoring in 2026
Updated
Network monitoring tools help teams observe devices, traffic, and network activity. Compare deployment options and device limits alongside alert channels, topology maps, traffic monitoring, and synthetic checks to see what each option covers. Free-plan availability and paid-from pricing offer additional cost points to weigh. Obkio, Paessler PRTG Network Monitor, and Centreon are among the entries to consider as you match monitoring features and alerting options to the parts of your network you need to watch.
56ranked
18free plans on this page
€0.19/molowest paid tier
11 Oct 2026last checked
Network Monitoring, ranked on how quickly a newcomer can get going.25 of 25 products with recorded free access can be tried for free.
- 1 ObkioFree plan
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 2 Paessler PRTG Network MonitorPaid from $16.67/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 3 CentreonPaid from €0.19/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 4 ManageEngine OpManagerPaid from $7.92/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 5 NetXMSFree plan
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 6 SoftPerfect Bandwidth ManagerFree plan
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 7 CheckmkPaid from $275/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 8 EMCO Ping MonitorFree plan
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 9 WhatsUp GoldFree plan
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 10 WhatsUp GoldPaid from $72.17/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 11 Colasoft CapsaFree plan
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 12 DomotzPaid from $1.50/mo
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 13 Fing SecurityPaid from $5.83/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: yes
- 14 ntopngFree plan
- Free to practise on: yes
- Well documented: yes
- Runs where you work: yes
- 15 Site24x7 Network MonitoringPaid from $42/mo
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 16 FastNetMonPaid from $60/mo
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 17 GangliaFree plan
- Free to practise on: yes
- Free trial: no
- Well documented: yes
- Runs where you work: yes
- 18 GlassWirePaid from $2.99/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: yes
- 19 Intermapper
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 20 LibreNMSFree plan
- Free to practise on: yes
- Well documented: yes
- Runs where you work: yes
- 21 OpenNMSPaid from $500/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 22 Zabbix
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 23 ObserviumFree plan
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 24 FrameFlow
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 25 FreeMeterFree plan
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
Compare all 25 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Synthetic checks | Device limit |
|---|---|---|---|---|---|---|---|---|
| 1 | Obkio | 8.2 | Free plan | Free | Yes | Yes | ||
| 2 | Paessler PRTG Network Monitor | 8.1 | Free plan | $16.67/mo | Yes | 200 /mo | No | 50 devices |
| 3 | Centreon | 7.9 | Free plan | €0.19/mo | Yes | Yes | 125 devices | |
| 4 | ManageEngine OpManager | 7.9 | Free plan | $7.92/mo | Yes | 10 devices | ||
| 5 | NetXMS | 7.9 | Free plan | Free | Yes | Yes | ||
| 6 | SoftPerfect Bandwidth Manager | 7.9 | Free plan | Free | No | Yes | 1 devices | |
| 7 | Checkmk | 7.8 | Free plan | $275/mo | Yes | |||
| 8 | EMCO Ping Monitor | 7.7 | Free plan | Free | Yes | Yes | 250 devices | |
| 9 | WhatsUp Gold | 7.6 | Free plan | Free | Yes | Yes | 50 devices | |
| 10 | WhatsUp Gold | 7.6 | $72.17/mo | Yes | ||||
| 11 | Colasoft Capsa | 7.4 | Free plan | Free | Yes | |||
| 12 | Domotz | 7.4 | $1.50/mo | Yes | 1.5 /mo | Yes | ||
| 13 | Fing Security | 7.4 | Free plan | $5.83/mo | Yes | |||
| 14 | ntopng | 7.3 | Free plan | Free | Yes | Yes | ||
| 15 | Site24x7 Network Monitoring | 7.3 | $42/mo | 42 /mo | Yes | 10 devices | ||
| 16 | FastNetMon | 7.2 | $60/mo | Yes | 115 /mo | |||
| 17 | Ganglia | 7.1 | Free plan | Free | Yes | |||
| 18 | GlassWire | 7.1 | Free plan | $2.99/mo | Yes | 2.99 /mo | ||
| 19 | Intermapper | 7.1 | Yes | Yes | ||||
| 20 | LibreNMS | 7.1 | Free plan | Free | Yes | Yes | ||
| 21 | OpenNMS | 7.1 | Free plan | $500/mo | Yes | Yes | ||
| 22 | Zabbix | 7.1 | Yes | 50 /mo | ||||
| 23 | Observium | 7.0 | Free plan | Free | Yes | Yes | ||
| 24 | FrameFlow | 6.9 | No | Yes | 25 devices | |||
| 25 | FreeMeter | 6.9 | Free plan | Free | Yes | Yes |
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