Paessler PRTG Alternatives (January 2026)

Paessler - The Monitoring Experts

https://www.paessle.com/

Paessler is the producer of PRTG, the highly powerful network monitoring software ✓ PRTG monitors your whole IT infrastructure 24/7 and alerts you to problems before users even notice.

4/5

2,128+ reviews

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IT Infrastructure Monitoring & Network Monitoring Software | Netreo

https://www.netre

.com/

IT infrastructure monitoring and Full-Stack Network Monitoring Dashboard from anywhere. Full visibility of your enterprise infrastructure.

Infrastructure & Application Monitoring with Checkmk

https://checkm

.de/

Checkmk is a leading tool for Infrastructure and Application Monitoring. Simple configuration, scalable, flexible. Open Source and Enterprise.

Pandora FMS | The flexible monitoring solution

https://pandorafm

.com/

The all-in-one flexible monitoring solution that covers networks, servers, applications, UX, distributed environments and more!

NetCrunch - Monitor, Alert, Visualize | AdRem Software

https://www.adremsof

.com/

Manage networks, servers, devices, traffic, web, cloud services, and applications with NetCrunch - a versatile, agentless system running on Windows on-prem

Network Monitoring Software | Domotz

https://www.domot

.com/

Domotz is a network monitoring software designed for IT professionals and MSPs. Gain real-time visibility on any network. Start Your Free Trial Now.

Centreon | IT Infrastructure Monitoring Software

https://www.centreo

.com/

Centreon is a leading IT monitoring software that helps businesses ensure the availability and performance of their IT infrastructure. Try it for free.

Zabbix :: The Enterprise-Class Open Source Network Monitoring Solution

https://www.zabbi

.com/

Zabbix is a mature and effortless enterprise-class open source monitoring solution for network monitoring and application monitoring of millions of metrics.

Network Monitoring Software & Solutions - ManageEngine OpManager

https://www.manageengin

.com/network-monitoring/

ManageEngine OpManager is an easy to use network monitoring software & an affordable network monitoring solution to monitor network devices such as routers, switches, & more. Try now!

IT Infrastructure Monitoring Made Easy - WhatsUp Gold

https://www.whatsupgol

.com/

Progress (formerly Ipswitch) WhatsUp Gold provides complete visibility into the status and performance of applications, network devices and servers in the cloud or on-premises.