Hardanger - Open source web application penetration testing platform for Microsoft Windows operating systems

Hardanger is an open source web application penetration testing platform. The project aims to bridge the gap between the current open source web application testing tools commonly used in Linux environments and bring a similar open source state of the art tool to native Microsoft Windows based platforms.Hardanger aims to deliver a user-friendly experience for web application penetration testing by building these tools on top of the excellent Fiddler2web debugger.

Current Features:

• Native Windows feel via Windows Presentation Foundation
• Can run as a Fiddler2 add-on or standalone
• ClickOnce installer with automatic updates (standalone version)
• Context tab allowing inspection of full HTTP requests
• Server fuzzer tab to configure and launch the server fuzzer
• Basic random fuzzer generates random strings of UTF8 characters of random lengths
• Non HTTP 200 detection engine
• Results window keeping track of successful detections
• Ability to review requests/responses in the results details window

Download -
ClickOnce Installer 
Hardanger Standalone ClickOnce Installer
Hardanger Standalone Fiddler2 Add-on

Source -
http://hardanger.codeplex.com/

Hardanger Fiddler2 Add-on Screenshot