Iperf3-Cygwin-GUI

Iperf3-Cygwin-GUI is a software solution developed in Java that is based on Iperf - http://www.Softpaz.com/get/Network-Tools/Misc-Networking-Tools/Iperf.shtml, and lets you create network performance tests, using a client or server mode.

The perks of portability

The installation process can be bypassed, as this tool is portable. As a result, it is not going to make any kind of changes to the Windows registry, unless you approve them.
It is also important to keep in mind that it is possible to use Iperf3-Cygwin-GUI on the fly, by simply moving the program files to a USB pen drive or other similar removable device.

Use a server or client mode, and save configuration to a file

As stated above, this program enables you to use both a client and server mode when testing your network performance. While the server one only requires you to input the listen port, the first mode lets you add information such as server address, port, parallel streams and type of protocol (TCP, UDP).
Regardless of the one you choose you should know it is possible to save your configurations to a custom location on the hard drive, using an IP3CYG format, so that you can easily use them at a later date.

View and save a graph, and restore settings

In addition to that, you should know it is possible to view a graphical representation of the bandwidth usage and logs. This chart is totally customizable, while you can also zoom in and out, or save it to the hard drive using a PNG extension.
Last but not least, you can run or stop this utility with just a click of the button, as well as restore all the default settings in the same easy manner.

Conclusion and performance

It does not affect the computer’s performance as it does not require large amounts of CPU and memory in order to work properly, while the response time is good.
To wrap it up, Iperf3-Cygwin-GUI is a pretty efficient piece of software for testing your network performance, which can be used by both beginners and versed individuals, and did not pop any errors, hang or crash in our tests.