This page lets you download the code used to generate the Qt Widget Gallery. The code is available from here, and has been tested on Linux and win32. The widget database can be downloaded separately from here.
Send comments, suggestions, bug reports, links to missing widgets, etc to e8johan -at- gmail -dot- com.
2004-10-25 - Many fixes, more automation. Adapted to KDE. Added JSeries widget.
2004-10-24 - Initial release. This is the fourth code edition, but the first one that is publically available.