Regular network maintenance can also help prevent outages that could take thousands of users offline. Now, that you know why you need a network monitoring tool, take a look at the top 5 open source tools to see which might best meet your needs. If you know anything about open source network monitoring tools, you've probably heard of Cacti. It's a graphing solution that acts as an addition to RRDTool and is used by many network administrators to collect performance data in LANs.
Cacti typically works by using data sourced from user-created scripts that ping hosts on a network. The values returned by the scripts are stored in a MySQL database, and this data is used to generate graphs.
This sounds complicated, but Cacti has templates to help speed the process along. You can also create a graph or data source template that can be used for future monitoring activity. If you'd like to try it out, download Cacti for free on Linux and Windows.
Nagios Core is one of the most well-known open source monitoring tools. It provides a network monitoring experience that combines open source extensibility with a top-of-the-line user interface. With Nagios Core, you can auto-discover devices, monitor connected systems, and generate sophisticated performance graphs. Support for customization is one of the main reasons Nagios Core has become so popular. If you need more versatility, you can check the Nagios Exchange, which features a range of add-ons that can incorporate additional features into your network monitoring.
These range from the strictly cosmetic to monitoring enhancements like nagiosgraph. You can try it out by downloading Nagios Core for free. Icinga 2 is another widely used open source network monitoring tool. It builds on the groundwork laid by Nagios Core. Dashboards are customizable, so you can choose exactly what information you want to monitor in your network. Visualization is an area where Icinga 2 performs particularly well. It has native support for Graphite and InfluxDB, which can turn performance data into full-featured graphs for deeper performance analysis.
Icinga2 also allows you to monitor both live and historical performance data. As soon as you launch this software, you can view real-time upload and download speed graphs of your internet connection. During the downloading and uploading of particular content, you can find out the maximum available bandwidth of your network by monitoring the upload and download speeds.
It is a beautifully designed open source bandwidth monitor software through which you can monitor network bandwidth and find out many important network parameters. Traffic Monitor is yet another free open source bandwidth monitor software for Windows. This software comes with a small floating window that shows real-time upload and download speeds of your internet connection. In this software, you also get some handy features through which you can view the historical traffic statistics and various small details about your connection.
It is a simple and nicely designed open source bandwidth monitor software that helps you monitor your network bandwidth along with some system parameters RAM and CPU usage. FreeMeter is the next free open source bandwidth monitor software for Windows. Using this software, you can monitor the bandwidth of your network by analyzing the real-time download and upload speed graphs provided by this software.
To differentiate the download and upload speed graphs, this software highlights download speed in green color and upload speed in red color. In this software, you also get various options through which you can adjust various graph parameters. BandwidthMonitorZed is one more free open source bandwidth monitor software for Windows.
With these selection criteria in mind, we have found some great WiFi analyzers for you to try and we found tools that will run on each of the major operating systems. It also provides you with an overview of wireless network connectivity, coverage, performance, throughput , and network security issues.
N etAlly AirMagnet WiFi Analyzer PRO is our top pick for a Wifi analysis tool because it works straight out of the box and has a great dashboard that squeezes in a lot of graphs about the performance and attributes of the nearby APs that it detected.
Catch The system has a great interference detection system that can explain any reception problems that your users are experiencing.
It helps you optimize your WiFi network for the best performance. It can also help you troubleshoot bandwidth bottlenecks, pinpoint interference, and trouble spots.
It includes their SSID, channel, and more information. It is also capable of detecting rogue APs. The dashboard shows WiFi information in real-time and allows you to optimize performance and troubleshoot your wireless networks. The software scans your surroundings and shows you an overview of the nearby WiFi APs. Download: Acrylic WiFi Home edition for free. WiFiInfoView also comes with a summary mode, which groups all wireless information found, by channel number, PHY type, or speed.
Download: WiFiInfoView from its official site. Homedale from the SZ development is a free WiFi monitoring and scanner software. The software supports Download: Homedale from its official site. It allows you to scan The software can also create WiFi heatmaps, so you can identify where the signal leakages or dead zones are.
Download: the NetSpot free edition. With iStumbler, you can view the location of all discovered WiFi networks, track the movement of your computer.
You can also export the location database and movement to Google Earth. You can use it, to measure and visualize LizardSystems WiFi Scanner is an advanced scanner for It displays all collected data into the dashboard, along with a real-time signal strength line graph. Ekahau HeatMapper is a free WiFi site survey and mapping tool. Wireshark — a free open-source network protocol analyzer app. Looking for a WiFi analyzer app for other operating systems?
Check out our picks of the best Android WiFi analyzer apps. Choose the best WiFi analyzer app for iPhone. Using a MacBook? Find a WiFi analyzer mac app that fits your requirements. What apps offer WiFi signal strength heat maps? NetSpot creates detailed WiFi strength heat maps and is the only professional Windows WiFi analyzer that will suit both the professional network administrators as well as the beginners.
NetSpot boasts a self-explanatory and neat user interface. It has received multiple rave reviews from tech websites as well as its direct users all thanks to its simplicity combined with an inspiring functionality.
Get NetSpot. Best WiFi analyzer app for Windows. WiFi signals tend to behave in mysterious ways. And just like many of us these days, you are probably carrying a mental WiFi signal map of your home with you on which you rely to avoid weak spots. What if we told you that you could avoid this madness with the help of a WiFi analyzer app for Windows?
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