With centralized patch management and network auditing, GFI LanGuard prevents potential compliance issues, but if you’re a sysadmin the fact that all machines are patched and secured will surely seem like a more important advantage. Information coming from up to 60,000 devices, running on Windows, Mac OS or Linux, will be shown in a centralized web console, so you’ll be able to see the state of your whole network at any moment and from any location. You can use it to scan both small and large networks, in search of software vulnerabilities and unpatched or unlicensed applications. People say it’s good to be modest and not to brag, but we’re so proud of our network management tool that we had to start the list with GFI LanGuard. GFI LanGuard (our award-winning paid solution) Even if you may have heard of some of these tools before, I’m confident that you’ll find a gem or two amongst this list. This list is intended to supplement 101 Free SysAdmin Tools. Here are 20 of the best free tools for monitoring devices, services, ports or protocols and analyzing traffic on your network.

Windows network monitor tool