NetWorx is a free windows software and used to monitor all network connections or a specific network connection (such as Ethernet or PPP).
Usage reports in Excel, MS Word and HTML file formats.
Permits close supervision of uploads and downloads.
Works with dial-up, ISDN, cable modems, ADSL, Ethernet cards, and more.
Includes network information & testing tools
notify user or disconnect from the Internet automatically when network activity exceeds a certain level.
Speed meter to accurately time downloads and report the average transfer rates.
Dial-up session journal with detailed information about every session.