Netspyer

Netspyer is a great network monitoring utility with many internet utilities Netspyer is a firewall , network bandwidth utility
and internet tools, all-in-one.
It's a strong firewall, that allows you to add filters
at the connection made from/to your computer, to
monitor application internet activity and block them if
necessary. You can monitor the open ports and allow
the connection on only to the people you wish,
so you can keep intruders away.
It includes a lot of internet utilities like tcp/ip packet sniffer
trace, telnet, TCP/IP table enumerator, Computer IPs
enumerator, Download Bandwidth Meter, Port
blocker, Trojan port list and information about every
trojan , IP Configuration tools, hosts file Editor and
more. Netspyer monitors your internet activity
and draws a graph of the internet activity history.
It also shows you the download / upload speed ,
the total transferring activity and it can show you the
activity using an animated system tray icon for
better monitoring

Here are some key features of "Netspyer":