KINSole 1.1.1 (by Klever Group)
free, opensource, console telnet client

Big Brother 1.5.1 (by Klever Group)
Big Brother is the simplest tool for monitoring your IP-network for troubles.

T42 1.5.1 (by Klever Group)
T42 is a free, open source implementation of unix ntalk protocol.

PumpKIN 2.7.1 (by Klever Group)
Free, open source TFTP server and client

KLog 1.2 (by Klever Group)
free, open source win32 syslog daemon

Big Brother 1.5.1 (by Klever Group)
Big Brother is the simplest tool for monitoring your IP-network for troubles.

HostName Commander 1.0 (by WinAbility Software Corporation)
Manage host names, block third-party ads, and more.

SmartWhois 4.1 (by TamoSoft)
A program for obtaining information about domains, hostnames and ip addresses

DnsEye 1.3 (by Nsasoft LLC.)
DnsEye monitoring DNS packets in network and displays the DNS information.

WinSuperKit 6.1.560 (by IToolWare, Inc.)
Get ip address and geographical location,capture and monitor network, copy file.

IP Address Searcher 2.12 (by Mjksoft,Inc.)
A powerful ip search tool that helps you to search IP and trace IP information.

Ping Monitor Tool : SuperPinger 2.12 (by TallSoft)
A powerful ip monitor tool. It is able to detect thousands of IP equipments

Advanced Host Monitor 6.10 (by KS-Soft)
Award-winning network monitoring tool

Quick Ping Monitor 3.0 (by TallSoft)
A powerful ip monitor tool. It is able to monitor thousands of IP equipments

Axence NetTools 2.1 (by Axence Software, Inc.)
Host monitoring with alerting and history, trace, port/network scanner and more.

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

The Dude 1.1 (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 1.03 (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.