pcInternet Patrol 3.2.3 (by Internet Security Allaince, Inc)
The most powerful firewall ever is now fully automated.

pcAudit 6.3 (by Internet Security Allaince, Inc)
pcAudit is a free security evaluation program, for personal computers.

pcHacker Tracker 3.2 (by Internet Security Allaince, Inc)
The most simple and reliable way to hunt down a hacker.

pcSuper Scanner 1.1 (by Internet Security Allaince, Inc)
Scan ALL 65,535 computer ports in seconds for free.

pcSuper Scanner 1.1 (by Internet Security Allaince, Inc)
Scan ALL 65,535 computer ports in seconds for free.

easy Look at Net 0.8.7 (by Look@Net.com)
easy Look at Net is a simple ports scanner, packet sniffer and other tool

Advanced LAN Scanner 1.0 (by Famatech)
Advanced LAN Scanner is a fast and easy-to-use multithreaded LAN scanner.

Advanced Port Scanner 1.3 (by Famatech)
Advanced Port Scanner is a fast and easy-to-use multithreaded Port Scanner.

Fast Port Scanner 1.0 (by Global Web Monitor)
Fast Port Scanner is a fast multithreaded port scanner.

professional Look at Net 1.0.6 (by Look@Net.com)
"professional Look at Net" is a net scanner, ports scanner and packets sniffer

FreePortScanner 2.5 (by Nsasoft LLC.)
Free Port Scanner is a small and fast port scanner for the Win32 platform.

Virtual Serial Ports Driver XP 4.0 (by ELTIMA Software GmbH)
Two virtual serial ports linked to each other via virtual null-modem cable.

JFirewallTest 1 (by Michael Gardiner)
Quickly scan all network ports for holes in your firewall.

Bopup Scanner 2.0.4 (by B Labs)
Freeware NetBIOS, MAC, IP, HTTP servers scanner for local networks.

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.