Interface Traffic Indicator 1.5.0.3 (by Carsten Schmidt)
SNMP graph utility to measure incoming and outgoing traffic on an interface.

MultiPing Grapher 1.4.3 (by Carsten Schmidt)
Tool for testing availability, response times and network performance

FDBGet 1.2.3 (by Carsten Schmidt)
Fdbget.exe is a little tool to retrieve forwarding database entries.

Performance Pinging 2.0.1 (by Carsten Schmidt)
Tool for testing availability, response times and performance.

Squid Efficiency Analyzer 1.1.0 (by Carsten Schmidt)
Squid Efficiency Analyzer interprets a Squid log (native) for proxy efficiency.

Multiple Interface Watcher 1.1.0 (by Carsten Schmidt)
network utilisation graph utility using SNMP

BPSNMPMon 1.0.0.7 (by BPSoftware.com)
SNMP utility to monitor and graph host processor, storage and interface values.

Interface Traffic Indicator 1.5.0.3 (by Carsten Schmidt)
SNMP graph utility to measure incoming and outgoing traffic on an interface.

MetaGauge 1.0 (by Hammer Software)
Easy to configure network traffic monitoring software.

VFWH monitor 1.12.342 (by Cyber Complete Systems)
VFWH Monitor has the ability to calculate and graph network traffic

WinAgents MIB Browser 1.0.1.1261 (by WinAgents Software Group)
Comfortable MIB Browser with SNMPv3 support. Includes MIB Editor.

ByteOMeter 1.5.1 (by FortaWare)
Network monitoring tool featuring smooth graphs, remote and SNMP monitoring.

Cisco Snmp Tool 2.5 (by Billy TheKid's Freeware)
Cisco Network and Configuration Management Tool

DigitizeIt 1.5.8a (by Bormisoft)
DigitizeIt can automatically digitize scanned graphs and output data values.

XR SNMP Tools 3.5 (by XRatel Software)
Set of high performance tools for monitoring network SNMP manageable devices.

Netoscope 1.6 (by Basta Computing, Inc.)
Netoscope: Internet server monitor.

The Dude 2.1 (by MikroTik)
The Dude will layout your network on a map and will monitor services of devices

Sniff-em Packet sniffer 1.12 (by YASC LTD)
Sniff'em 1.12 is a Windows based allround Packet sniffer and Network analyzer.

SNMPTest 1.7 (by Noel Danjou)
Query and monitor any SNMP-compatible device

MailMonitor 1.6.3 (by DigiArch.org)
If you have mail problems, MailMonitor shows you what's going on at port level.