I'd love to see is a general purpose tool for diagnosing network issues.
Is my router messed up? Is it my neighborhood's node? Is it the destination server? Is it my computer's network card? Wifi? Cell tower?
Is my router messed up? Is it my neighborhood's node? Is it the destination server? Is it my computer's network card? Wifi? Cell tower?
That said, I'd love to see (and/or contribute to) such a tool too!