Bonjour for Windows
Full user review
Wasn't too sure what this program did until reading the above summary and comments. Did sniff out extra devices without any apparent advisory (hidden - worked in the background), which can be both good and bad.
Worked in the background without saying that it was working, which can be both good and bad. I would have liked something saying what it did or that it was working rather than thinking that it was some unnecessary.
Nice, but necessary - not too sure!