All-Round Skinners - contains tools to automatically create complete skins from scratch.
Viscolor Editors - let you comfortably edit the visualization colors of your skin's spectrum analyzer and oscilloscope.
Transparency Editors - help define your skin's transparent regions to make parts of the equalizer and main window see-through.
Button Extractors - are useful tools to easily extract the different skin components taken from a flat image of a skin.
Miscellaneous Utilities - are skin related utilities that did not fit into any other category.

Each utility is presented on an individual page, complete with a rating, screen shot, author's notes and in most cases also a review.