Windows

Free utility for graphing the speed of one's active network connections.

Licence: Free to try.
Online: http://www.analogx.com/contents/download/network/nsl.htm
Operating system: All versions of Windows.
Requires: None.

Install instructions

		Windows

Free network-analysis tool with detailed capture and playback capacity.

Licence: Free to try.
Online: http://www.networkactiv.com
Operating system: All versions of Windows.
Requires: None.

Install instructions

		Windows

Free personal firewall product with sophisticated application-based network control.

Licence: Free to try.
Online: http://www.zonelabs.com
Operating system: All versions of Windows.
Requires: None.

Install instructions

		Windows