Fiddler

Firebug integrates with Firefox to put a wealth of web development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in …

Wireshark is the world's foremost network protocol analyzer. It lets you capture and interactively browse the traffic running on a computer network. It is the de facto (and often de …

The Google Chrome Developer Tools provide an integrated environment for debugging, optimizing, and understanding a web application, or website, running in Google Chrome. The developer tools are developed...

Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and …

Burp Proxy is an interactive HTTP/S proxy server for attacking and testing web applications. It operates as a man-in-the-middle between the end browser and the target web server, and allows …

PageSpeed is addon for http://suse.me/apps/firebug/ (debugger addon for http://suse.me/apps/firefox/ ) for analyzing of page loading process and suggesting to webmaster how speed up page loading. Javascript obfuscating, image resizing, CSS …

There is no shiny red button on WebScarab, it is a tool primarily designed to be used by people who can write code themselves, or at least have a pretty …

HttpFox monitors and analyzes all incoming and outgoing HTTP traffic between the browser and the web servers. It aims to bring the functionality known from tools like HttpWatch or IEInspector …

NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows. NetworkMiner can be used as a passive network sniffer/packet capturing tool in order to detect operating systems, sessions, hostnames, open...

HttpWatch is an HTTP viewer and debugger that integrates with IE and Firefox to provide seamless HTTP and HTTPS monitoring without leaving the browser window. It's available as a free …

SmartSniff is a packet sniffer that capture TCP/IP packets and display them as sequence of conversations between clients and servers. You can view the TCP/IP conversations in Ascii mode (for …

HTTP Scoop is a mac only program - somewhat similar to fiddler on the Windows Platform. Basically it is a specialized network sniffer that displays requests to websites along with …

Andiparos is a fork of the famous Paros Proxy. It is an open source web application security assessment tool that gives penetration testers the ability to spider websites, analyze content, …

HTTP Client is a Mac OS X Leopard developer tool for debugging HTTP services by graphically creating and inspecting complex HTTP messages.

The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications. It is designed to be used by people with a …

The goal of this project is to adds information about the HTTP headers in three ways: First by adding a 'Headers' tab in 'View Page Info' of a web page. …

Pirni Pro is a network security tool designed for iOS, and specifically for iPhone and iPod Touch devices. It is capable of intercepting traffic on a wireless network segment, capturing …

httpry is a tool designed for displaying and logging HTTP traffic. It is not intended to perform analysis itself, but instead to capture, parse and/or log the traffic for later …

HTTP Debugger Pro - A Professional HTTP Sniffer and Analyzer for Developers

Rest Client feature rich rest client for developers to debug and test their RESTful web services. It can be used to request a URL using the following HTTP methods:...

Graphical Http Client is a utility to help you test and interact with REST-based web services. It is lightweight, easy-to-use, and has the following features: - Set request headers and …

NetFort LANGuardian monitors bandwidth, Windows file shares, and Internet activity on your network.

RESTed allows developers to quickly format and make HTTP requests and view the response. RESTed supports both basic HTTP authentication and OAuth. RESTed shows you the response header and response …

IEWatch is a plug-in for Microsoft Internet Explorer that helps you achieve your web development and web analysis tasks more efficiently.

Packet sniffer tool that captures all HTTP requests/responses sent between the Web browser and the Web server and displays them in a simple table.