Paessler PRTG is also free up to the first 100 sensors. It’s also available in a wide range of languages, making it accessible across the globe.

This network monitoring tool is one of the most popular on the market, with over 500,000 active installations. It can also query network devices automatically and identify traffic flows.

For example, the software includes Packet Sniffer, a tool that examines the header traffic of data packets. This platform contains tools to help ensure that devices run smoothly and to track your bandwidth and resource consumption. The entire platform is contained within a straightforward installer, allowing you to begin using it quickly without additional downloads. Paessler PRTG is a network monitoring platform that you can install within a few minutes. In this guide, I include both free and paid tools. In fact, I’ve used the tools on this list to monitor the bandwidth usage on small to very large networks with 1000’s of devices (routers, switches, servers, etc). A comprehensive list of the best bandwidth monitoring tools.

Network bandwidth tools