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by Pierre-Yves Landuré last modified Nov 26, 2016 09:49

Free applications for software development on Microsoft Windows.

Vi Improved (Vim)

Light text editor with syntax highlighting, find and replace with regular expressions, and many other features. Its use is quite complex for new users.


Shows very clearly the differences between two text files.

Fiddler Web Debugging Proxy

Proxy displaying all HTTP and FTP requests sent from the computer. Ease the debugging of POST requests, AJAX, etc ... Shows among other things the HTTP headers, the return code from the server, session information, etc... This is a useful tool for AJAX development with Internet Explorer.


Test the visual aspect of a website with different versions of Internet Explorer (5.5, 6, 7, 8).

Speed Limiter

Simulates varied connections speeds from your high speed Interent line. Enable to test the display of websites through 56k connections.

Xenu's Link Sleuth

Search a website for broken links, duplicate content, heavy pages, or pages with a lot of external links.

Plagiarism Checker

Check for duplicate content.

Tortoise CVS

Add a CVS client to Windows Explorer.

Tortoise SVN

Add a SVN client to Windows Explorer.

Inno Setup

Simply creates software installers.


Client SSH (Unix) for Microsoft Windows.


Client SFTP (scp) for Microsoft Windows.

Barres d'outils Internet Explorer

Internet Explorer Developer Toolbar

Provides some advanced CSS and DOM inspection tools for web pages.


Provides many DOM and CSS Inspection tools for web pages.

Script Debugger for Windows NT 4.0 and later

Advanced Javascript debugger for Internet Explorer.

Web Accessibility Toolbar

Check a website for accessibility errors. Include a contrast measurement tool.