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Open Source PRTG Network Monitor Alternatives

The best open source alternative to PRTG Network Monitor is Zabbix. If that doesn't suit you, our users have ranked more than 100 alternatives to PRTG Network Monitor and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to PRTG Network Monitor are Netdata, Nagios, LibreNMS and BitMeter OS.

PRTG Network Monitor alternatives are mainly Network Monitors but may also be Website Monitors or Uptime Monitor Services. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of PRTG Network Monitor.
This page was last updated Jun 23, 2022
  • FreemiumProprietary
  • Windows
  • Online
  • Software as a Service (SaaS)

An advanced network monitoring solution to monitor network up/downtime, traffic and usage. Features include availability,...

Learn more about PRTG Network Monitor

  1. Zabbix

    • FreeOpen Source
    • Linux
    • Self-Hosted
    • FreeBSD
    • OpenBSD

    Gather and analyze accurate statistics and performance metrics, visualize it, get notified about current and potential issues without delay, and take advantage of our time-tested professional development and support.

    Zabbix vs PRTG Network Monitor opinions
    Almost everyone thinks Zabbix is a great alternative to PRTG Network Monitor.
    aseques

    Both offer network monitoring and alerting

    Positive comment over 5 years ago
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    6

    this does not integrate well with switches and routers, it is more for windows networks

    Negative comment over 6 years ago
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    -7
  2. Infrastructure-wide health monitoring & performance troubleshooting in one place. Collaborate in the same place as relevant data from your systems and applications, reducing mean time to acknowledge (MTTA), & mean time to resolution. (MTTR).



  3. Nagios

    • FreemiumOpen Source
    • Linux

    Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.

    Most users think Nagios is a great alternative to PRTG Network Monitor.
  4. LibreNMS

    • FreeOpen Source
    • Linux
    • BSD
    • MySQL Community Edition
    • Apache HTTP Server
    • JavaScript
    • PHP

    LibreNMS is an autodiscovering PHP/MySQL based network monitoring system forked from Observium. LibreNMS aims to be easy to use, painless to deploy, and support monitoring of a wide range of devices.

    Almost everyone thinks LibreNMS is a great alternative to PRTG Network Monitor.
  5. BitMeter OS

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

    BitMeter OS keeps track of how much you use your internet/network connection, and allows you to view this information in a variety of ways.

    Discontinued

    Cannot install version 0.8.0 experimental or 0.7.6 stable on Monterey: "The package is incompatible with this version of macOS. The package is trying to install content to the system volume"



  6. Cabot

    • FreeOpen Source
    • Self-Hosted

    Cabot is a free, open-source, self-hosted infrastructure monitoring platform that provides some of the best features of PagerDuty, Server Density, Pingdom and Nagios without their cost and complexity.

  7. Munin

    • FreeOpen Source
    • Linux

    Munin is a networked resource monitoring tool that can help analyze resource trends and "what just happened to kill our performance?" problems. It is designed to be very plug and play. A default installation provides a lot of graphs with almost no work.

  8. Cacti

    • FreeOpen Source
    • Windows
    • Linux

    Cacti is a complete frontend to RRDTool, it stores all of the necessary information to create graphs and populate them with data in a MySQL database. The frontend is completely PHP driven.

  9. Pandora FMS

    • Free PersonalOpen Source
    • Windows
    • Linux
    • Self-Hosted
    • FreeBSD
    • OpenBSD

    Enterprise-ready monitoring solution that provides unparalleled flexibility for IT to address both immediate and unforeseen operational issues, including infrastructure and IT processes.

  10. NetMeter

    • FreeOpen Source
    • Windows

    NetMeter provides a powerful suite of Internet traffic management for home users as well as business users. NetMeter is an advanced bandwidth tool designed to monitor incoming and outgoing bandwidth and is managed by an online control panel in the users private account.

    Discontinued

    Replaced by NetMeter Evo , not a new version, but a new program. NetMeter (legacy) can be still downloaded from the official website.

Showing 10 of 24 alternatives