XDebug

What is it?

XDebug is the most popular open source debugging system for PHP. Authored by Derick Rethans it is still actively maintained and offers a wide variety of features for debugging, profiling and overall improving your PHP application.

How to support

As you can see on the Donation page there are several ways to support Derick for his work. There is Flattr, Derick's Amazon wishlist or you could buy Derick An Amazon gift certificate.