Aston is an excellent program to personalize your PC by substituting the desktop with a serious, complete alternative. Versatile to the traditional one.

The function is to be the desktop administrator but offering alternatives.
The alternatives will make your desktop quicker, more powerful and efficient, as the interface may be personalized by means of skins.

It also has the traditional elements in the desktop such as tool bar, system tray, start menu, etc.

But what you may do for example us to personalize for example the different kind of tool bars, several levels, icons with different size and shape, etc.