Best Network Performance Monitoring Software in 2026
Updated
In short: ManageEngine OpManager is ranked #1 of 18 as of 1 October 2026, ahead of Zabbix and Checkmk. The best-ranked option with a free plan is Checkmk. The lowest first paid tier on this page is ManageEngine OpManager at $7.92/mo.
18 network performance monitoring software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Monitored devices | |
|---|---|---|---|---|---|---|---|---|
| 1 | ManageEngine OpManager | 8.9 | RecognisedAPIDocumented | $7.92/mo | Yes | — | — | View |
| 2 | Zabbix | 8.8 | RecognisedAPIDocumented | — | Yes | 50 /mo | — | View |
| 3 | Checkmk | 8.7 | RecognisedAPIDocumented | $275/mo | Yes | — | — | View |
| 4 | Paessler PRTG Network Monitor | 8.6 | RecognisedAPIDocumented | $16.67/mo | Yes | 200 /mo | — | View |
| 5 | Obkio | 8.2 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 6 |  WhatsUp Gold | 7.2 | RecognisedAPIDocumented | $72.17/mo | Yes | — | 50 devices | View |
| 7 | Kentik Network Monitoring System | 7.1 | RecognisedAPIDocumented | $166.67/mo | No | 2,000 /mo | — | View |
| 8 |  OpenNMS | 6.5 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 9 | LibreNMS | 6.1 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 10 | Observium | 6.0 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 11 | PingPlotter | 6.0 | RecognisedAPIDocumented | $29/mo | Yes | 6.99 /mo | 1 devices | View |
| 12 | SolarWinds Network Performance Monitor | 5.7 | RecognisedAPIDocumented | — | No | — | — | View |
| 13 | Catchpoint Internet Performance Monitoring | 5.7 | RecognisedAPIDocumented | — | — | — | — | View |
| 14 |  AppNeta | 5.4 | RecognisedAPIDocumented | — | — | — | — | View |
| 15 | Cacti | 5.4 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 16 | perfSONAR | 4.9 | RecognisedAPIDocumented | Free | No | — | — | View |
| 17 |  WanAware Network Performance Monitoring | 4.7 | RecognisedAPIDocumented | — | No | — | 1,000 devices | View |
| 18 | Automic Continuous Delivery Automation | 4.4 | RecognisedAPIDocumented | — | — | — | — | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which network performance monitoring software is ranked first on Inferse?
ManageEngine OpManager is ranked #1 of 18 with a score of 8.9. Zabbix is second and Checkmk third.
How many of these have a free plan?
6 of the 18 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, ManageEngine OpManager has the lowest first paid tier we found: $7.92/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.