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Best Cacti Monitoring Alternatives

Cacti is one of the most popular open-source network monitoring tools. Cacti allows you to monitor various metrics and look at them from its user-friendly, modern dashboard. Although it has a relatively steep learning curve, many businesses have chosen to make Cacti their network monitoring solution of choice.

Here is our list of the best Cacti alternatives:

  1. SolarWinds Network Performance Monitor – FREE TRIAL One of the most powerful network monitoring solutions on the market, the best tool on this list if you have the funds for it.
  2. Nagios Potentially the most popular open-source monitoring tool on the market, and for a good reason. It features a variety of integrations you can commit to by simply getting one of its many user-created plugins. In addition, it comes with superb network monitoring capabilities and Netflow support.
  3. Paessler PRTG An excellent solution that allows you to pick and choose what sensors you want to use. This gives it a very focused approach to monitoring.
  4. Zabbix An enterprise-level monitoring software used by tech giants like DELL that is provided entirely for free.
  5. LibreNMS An excellent monitoring solution exclusive to Linux with great horizontal scalability.
  6. M/Monit One of the simplest Cacti alternatives maintains a modern look.
  7. Netdata One of the most flexible monitoring solutions on the market run on VMs, containers, and IoT devices.
  8. ManageEngine Netflow Analyzer A dedicated bandwidth monitoring solution that is extremely simple to get up and running.
  9. MRTG A tool that will run on most OS and provides you with its entire Perl-based source code.

Today, we’ll be looking at some of the best alternatives to Cacti on the market. We’ll be focusing mainly on open-source or free solutions; however, we’ll include some of the best-paid options if you decide to take your monitoring to the next level.

The Best Cacti Alternatives

1. SolarWinds Network Performance Monitor – FREE TRIAL

SolarWinds Network Performance Monitor

The SolarWinds Network Performance Monitor is a paid tool, the best of the best. It’s a network monitoring solution to help you find, diagnose, and resolve network performance issues. The tool is mainly focused on maintaining the health of the devices within your network.

The tool uses SNMP monitoring to get to your network’s most crucial metrics. Its autodiscovery features are also great for creating a topology map of your network. With both an on-prem and cloud deployment, you can custom fit the NPM to your needs.

The SolarWinds Network Performance Monitor installs on Windows server 2012 R2, 2019, and 2016. Furthermore, it can integrate with the rest of the SolarWinds suite and the Orion platform if you have it installed.

The tool isn’t too expensive either, especially given its advantages. It’s priced on a per-node basis and varies based on your data volume. In addition, it has both perpetual and subscription-based pricing.

Main Features

  • Multi-vendor monitoring
  • An incredibly innovative approach to its scalability, enabling enterprise-sized networks to scale up seamlessly
  • Critical path visualization options
  • Excellent alerts system you can fully customize
  • Intuitive, modern dashboard you can customize to fit your needs
  • Autodiscovery features and automatic network topology map creation

SolarWinds NPM is a paid tool that is well worth the money for most medium to large businesses looking to up their game.

The Solarwinds NPM comes with a 30-day free trial.

Download the 30-day FREE Trial

https://www.solarwinds.com/network-performance-monitor

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2. Nagios

Nagios

Nagios, formerly Nagios Core, is one of the most popular open-source monitoring solutions on the market. It provides complete bandwidth monitoring using SNMP.

Nagios is straightforward to set up using its switch and router monitoring wizard and allows you to look at a variety of different metrics from its centralized dashboard. The tool is also extremely economical for resource use, as it uses the Core 4 monitoring engine, giving you a high level of performance while being relatively low-consumption.

Nagios also integrates seamlessly with a variety of third-party applications. Its free plugin system lets you combine it with Slack, email, PagerDuty, and many other applications.

In terms of Network Monitoring, Nagios far exceeds Cacti. Although Cacti has some network monitoring functionalities, it is best integrated with Datadog or RRDtool. However, Nagios can be combined with more network monitoring solutions, making it superior in this regard.

Nagios also features Netflow support, which Cacti lacks.

Another advantage of Nagios is its alert system. While Cacti might help you spot a problem, you’ll have to notice it yourself. On the other hand, Nagios will alert you regardless of how far away from the dashboard you are.

Main Features

  • Multi-user access capabilities
  • Excellent event handlers let you automatically restart any failed apps
  • Selective access capabilities let you choose who sees what
  • A massive online community with over 1 million active users
  • Excellent integrations suite
  • Extremely scalable, significantly more so than Cacti

With that being said, Nagios does have a higher learning curve compared to Cacti. However, if you’ve got the resources to expend on learning Nagios, it offers most of Cacti’s features in addition to a bundle of its own.

Nagios is free for small environments with seven or fewer nodes and hosts. Its paid version starts at $1995 for the license and is priced per user. There is also a variety of free training options for Nagios available online. Both of Nagios’ paid versions include a free trial.

3. Paessler PRTG

Paessler PRTG

The Paessler PRTG is another extremely popular monitoring software. Its main selling point is its modular model, letting you only pay attention to and purchase the sensors you need. The free version has all of the features of the paid version, just on a smaller scale.

This is another tool that gives you access to a robust alerts system. It also helps you find issues that Cacti might not. For example, it can help you find problems when large file transfers occur and when users are complaining your software or website are unresponsive or slow.

The Paessler PRTG looks at the traffic data from your networking devices and shows you exactly where your bandwidth is being used, in addition to flagging overuse. You can look at these factors from its central dashboard or generate reports to talk with your team.

The PRTG uses a combination of NetFlow, WMI, and SNMP to look at the health of your network infrastructure and bandwidth. This makes it an extremely reliable tool with a low chance of false positives.

Main Features

  • A sensor-based system that lets you track and pay for exactly what you need
  • Extensive network monitoring features
  • Extremely robust alerts system
  • Sleek, modern UI
  • Cloud monitoring capabilities
  • Great scalability

With that being said, the PRTG has a steep learning curve, and the sensor-based structure can be overwhelming for businesses that don’t know exactly what features they need. However, PRTG is accessible up to 50 sensors and becomes a paid tool from then on, starting at $1750. It also offers a 30 day free trial for as many sensors as you want.

4. Zabbix

Zabbix

Zabbix is an enterprise-level monitoring software capable of monitoring everything from your web apps’ performance to your servers, network equipment, CPU and memory utilization, packet loss rates,  and databases. The tool has gotten massive traction, with companies like DELL and Salesforce using it extensively.

The tool works on a server-agent basis, meaning you have to install the Zabbix agent on a server to have it monitored by the Zabbix server. It also supports all of the most popular operating systems, including Windows, Linux, macOS, Free and Open BSD, Solaris, etc.

Zabbix allows you to monitor all of your network’s performance metrics and incidents. You can look at your network performance, including bandwidth usage, packet loss rate, high CPU or memory utilization, and more.

The tool features a variety of templates that work right out of the box and allow you to monitor a variety of different devices. In addition to this, it gathers all of the data it receives so you can look at historical performance.

Zabbix’s predictive features let it predict network downtimes, as well as data usage based on a variety of factors.

The tool is entirely free and open-source, with no limits or restrictions on what you can use it for. The company only asks that you purchase something from them if you’re using Zabbix commercially (although you don’t have to).

Main Features:

  • Entirely free and open-source
  • You can monitor Java application servers directly through JMX
  • VM monitoring capabilities
  • Self-protected from brute force attacks
  • Extremely easy to create custom scrips for, as you can use Ruby, Python, PHP, Java, or a variety of other languages
  • Has a suite of integrations and plugins available
  • Online training available

With that being said, Zabbix is a bit difficult to get to grips with for non-technical users. Furthermore, the UI could be a bit more intuitive and modern.

5. LibreNMS

LibreNMS

LibreNMS is a fully-fledged network monitoring system supporting various device types and vendors, including Linux, Foundry, Cisco, and many others. As a result, it’s one of the most accessible tools on this list to use straight out of the box. In addition, its autodiscovery features help you spend as little time as possible setting it up.

The tool is capable of both bandwidth monitoring and location-based mapping. LibreNMS can be locally hosted on most Linux distributions, in addition to having an open, accessible API. There are also Android and iOS apps.

The tool features a highly flexible alerts system capable of sending notifications to email, Slack, IRC, and various other platforms when it detects an issue.

Main Features

  • Extremely flexible alerts system
  • The entire API of LibreNMS can retrieve, manage, and graph large amounts of data quickly
  • Can create bandwidth bills based on data usage
  • Horizontal scaling is an option when your business gets larger
  • Integrates with RANCID, collected, SmokePing, Oxidized, and various other solutions
  • A variety of authentication methods available
  • Web UI that can be used on mobile too

The tool is entirely free and open-source, with no purchases available.

6. M/Monit

M/Monit

M/Monit is a Unix and Linux supervision tool. It covers various monitoring processes and does it in a way specialized for these operating systems.

The tool will run on any given POSIX system and takes between 10 and 15 RAM, depending on how many hosts you need it to monitor. It will work with databases based on SQLLite 3.x, PostgreSQL 8.4 or newer, and MySQL 5.x or more contemporary.

If one of your processes dies, M/Monit can automatically restart it. Furthermore, if you run into a troublesome situation, the tool features automatic repair and maintenance features to ensure maximum uptime for your business.

The setup process for M/Monit is straightforward, which, in addition to its simple UI, makes it one of the most precise tools to start using. The tool can also look at trends in the data to make predictions for the future.

Main Features

  • Straightforward and easy setup
  • Excellent graphing capabilities
  • Mobile application available
  • You can manage and monitor both background and daemon processes
  • Errors can be set up to get handled automatically, helping you achieve a higher app uptime

That being said, the tool lacks some of the power the solutions above have. It also doesn’t support Windows, which can be a significant downside.

7. Netdata

Netdata

Netdata gives you access to sublime real-time health and performance monitoring for all your systems. The Netdata GitHub community has made its growth abundantly clear throughout its last six years of active development.

The tool is fast and very efficient when it comes to resource use. It’s made to be run on all systems without issue. It will instantly recognize slowdowns or issues within your infrastructure using the thousands of metrics it monitors. Furthermore, the tool offers excellent visualization capabilities and an alert system.

It’s a highly flexible tool, open-source, free, and capable of running on VMs, containers, IoT devices, and physical devices. The tool also saves all of your current metrics to RAM and spills historical ones to your disk so you can store them long-term.

Main Features

  • Per-second data collection
  • High-res metrics
  • Automatic detection and monitoring of your services and apps
  • Capable of monitoring thousands of metrics on each node
  • Excellent presentation within the dashboard
  • Advanced alerts system
  • Custom database system

With that being said, the tool can’t aggregate statistics across multiple servers, and it’s unsecured by default. However, businesses that don’t need these faculties will find it’s an excellent tool.

8. ManageEngine Netflow Analyzer

ManageEngine Netflow Analyzer

The ManageEngine Netflow Analyzer provides you with various analysis and control features to enhance your monitoring experience. You will be provided with flow-based traffic monitoring, as well as in-depth traffic analysis features.

The tool takes advantage of net-flow technologies to get a real-time look at your network’s bandwidth performance. As a dedicated bandwidth monitoring tool, it doesn’t have the plethora of features most of the other tools on this list have. Still, if you were using Cacti just for bandwidth monitoring, it’ll provide you with everything you need.

The Netflow Analyzer will gather data, analyze it, and then provide you a report on who is using your bandwidth and for what. This can be a great help in optimizing network flow monitoring, traffic analysis, and network forensics.

Main Features

  • Simple to use and install
  • Dedicated bandwidth monitoring solution
  • Finds nonstandard applications that are taking too much of your bandwidth
  • Provides detailed reports
  • Excellent aid for network forensics

With that being said, if you were using Cacti for more than bandwidth monitoring, you’ll most likely be better off using one of the other tools on this list. It has a paid version that costs $595 for a lifetime license and offers a free trial.

9. MRTG

MRTG

MRTG or Multi Router Traffic Grapher is a graphing tool that can graph various data metrics, including the performance of your network devices.

The tool monitors the load on all of your network links and can create HTML pages with PING images to give you a live visualization.

This tool was written in Perl and comes with its source code. It’ll operate on pretty much any UNIX platform, as well as Windows NT.  The tool is licensed under the GNU GPL, giving you free rein to do whatever you want with it.

The MRTG is easy to configure and set up, with most automatic processes. In addition, the tool can create visual representations of your traffic in the last week, five weeks, or last year.

Main Features

  • Detects router interfaces by more factors than their interface number, including IP, description, Ethernet address, etc.
  • Extremely simple to configure and set up
  • You get its entire source code

With that being said, the tool is fairly limited in scope, so you should most likely use it only if its functionalities were all you were using Cacti for.

Closing Words

All of these tools provide an excellent alternative for Cacti, with some simply eclipsing its functionalities and others doing specific portions better. As always, when picking a tool, the most crucial factor to consider is your needs.

Depending on what your business was looking to get out of Cacti and your personal preferences, our number 7 tool might be your number 2. With that being said, we’ve made an effort to ensure the top few picks are ones that you can’t go wrong with, even if you were looking to replace almost all of Cacti’s functionalities completely.

What is your favorite Cacti alternative?

Which one of Cacti’s features is most important to you?

Let us know in the comments below!

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