1)   Stock Icons - XP and MAC style icons free 1.0
Original and professional stock icons for your web and software projects. Each stock icon is available in four different sizes and six different extensions. application icons, business icons, corporate icons.

 2)   Web Icons Collection 1.0
The Web Icons Collection is a speciality set, created for webmasters and interface designers. Although themes are based primarily around web site development, these web icons will work equally well in a standard desktop application.

 3)   Software Icons Collection 1.0
The Software Icons Collection is a suite of beautiful vista style icons for web and software developers. Here you will essential icons such as devices, people, documents, and much more. Each icon is provided in jpeg, gif, bmp, ico, and png format.

 4)   X-MAC 1500 MAC style application icons 1.0
The X-Mac icon collection provides you with a realistic style which has all the main characteristics of Mac © icons.