Wireshark
The Wireshark Network Protocol Analyzer
Network Monitoring & Administration
SNMP Data Logger
Advanced Professional SNMP Data Logger
Portable MyLanViewer Network/IP Scanner
Network/IP scanner and monitor for LAN.
SoftPerfect Network Scanner
Fast multipurpose IP, SNMP, NetBIOS scanner.
DU Meter
Graphical display of network data transfers
MIB Browser
Displays the hierarchy of SNMP MIB variables
Advanced Host Monitor
Award-winning network monitoring software
NetWorx
Monitor data usage and Internet speed.
10-Strike Bandwidth Monitor
Traffic and bandwidth monitoring program
SmartSniff
Captures TCP/IP packets.
