PUBLIC MARKS with tags debug & clevermarks

"SPIP propose nativement quelques fonctionnalités pour venir en aide au webmestre lors de la phase de débuggage des squelettes. "

"when you're on a page in which you want to play around with jQuery in the console, just click the bookmarklet."

"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 the Internet. This includes requests, responses and the HTTP headers (which contain the cookies and caching information)."

FirePHP enables you to print to your Firebug Console using a simple PHP function call. What makes FirePHP different? All data is sent via a set of X-FirePHP-Data response headers. This means that the debugging data will not interfere with the content on your page. Thus FirePHP is ideally suited for AJAX development.

To put it simply, Krumo is a replacement for print_r() and var_dump(). By definition Krumo is a debugging tool (PHP4/PHP5), which displays structured information about any PHP variable.

XRAY is a bookmarklet for Safari, Firefox, Camino or Mozilla. Use it to see the box model for any element.

After almost four years of work, Xdebug 2 is finally ready. With improved functionality and many new features it is ready to totally change the way you develop in PHP.... Nothing less ? :)

John J. Barton has released a new open source framework named Fireclipse that enables nice coupling of Firefox and Eclipse for debugging purposes, working on top of Firebug.

Logging PHP and JavaScript errors to same window makes debugging easier

FireBug is a new tool that aids with debugging Javascript, DHTML, and Ajax. It is like a combination of the Javascript Console, DOM Inspector, and a command line Javascript interpreter.