Freeware: monitorizati viteza de conexiune si traficul efectuat

http://www.metal-machine.de/readerror/index.php?action=tpmod;dl=item23
http://www.softpedia.com/get/Network-Tools/Bandwidth-Tools/NetMeter.shtml

 A handy network software that will monitor your bandwidth

NetMeter can be considered a small, yet comprehensive and customizable network bandwidth monitoring application. Realtime bandwith monitoring was never easier.