EtherSnoop is a good, free software only available for Windows, that is part of the category Networking software with subcategory Analysis (more specifically Monitoring).
More about EtherSnoop
EtherSnoop is a light program that takes up less space than the average program in the section Networking software. It's a very popular software in some countries such as United States, China, and India.
Since the software has been added to our selection of software and apps in 2006, it has managed to obtain 3,255 downloads, and last week it achieved 14 downloads.
Its current version is 1.11 and it has been updated on 3/16/2006. It's available for users with the operating system Windows 95 and former versions, and it is only available in English.