HTTP Analyzer 2.2.2.109 (by IEInspector Software)
HTTP and HTTPS Protocol Analyzer

IE DOM Inspector 1.5.3 (by IEInspector Software)
A add-in for IE that allows you to inspect and edit the live HTML DOM

IE HTTP Analyzer 2.2.2.109 (by IEInspector Software)
HTTP(s) Protocol Analyzer, integrates into the lower part of IE browser window

AxScripter 1.1.4 (by IEInspector Software)
AxScripter is an Active script debugger, including Vbscript and Javascript.

IE WebDeveloper 2.3.1 (by IEInspector Software)
Web debugging toolset for IE, Webpage Inspector, Script Console, Event Log...

IE HTTP Analyzer 2.2.2.109 (by IEInspector Software)
HTTP(s) Protocol Analyzer, integrates into the lower part of IE browser window

HTTP Analyzer 2.2.2.109 (by IEInspector Software)
HTTP and HTTPS Protocol Analyzer

TracePlus Web Detective (Standard Edition) 5.51.000 (by SST Incorporated)
Performance analysis and HTTP diagnostics for Web and eBusiness applications

IEWatch 4.0 (by IEWatch Software LLC)
View HTTP headers and HTML code in Microsoft Internet Explorer

HTTP Interceptor 1.4M (by Silicon Wold Ltd.)
A pseudo Proxy server. see the comms between your browser and the Internet.

absoluteTools-HTTP 1.0.0.2 (by absolutePDF)
Easily enables apps to send http and https requests

TracePlus Web Detective (eBusiness Edition) 4.51.000 (by SST Incorporated)
High resolution Performance analysis and HTTP diagnostics for Web and eBusiness

ASTRA32 - Advanced System Information Tool 1.40 (by Sysinfo Lab)
This program performs computer configuration analysis and diagnostics.

Network Analysis and Troubleshooting PRO5.5 (by Javvin Company)
Network traffic monitor, packet analyzer, protocol decoder

ASTRA32 - Advanced System Information Tool 1.30 (by Sysinfo Lab)
This program performs computer configuration analysis and diagnostics.

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.