Here is a iPhone Icon Pack, which will help each iPhone and iPad application developer get his GUI in order. The icons from this set can be used in navigation, tab bars and toolbars of iOS applications.
Downloads: 25205 - Shareware - Download Now
Gray icon collection by Nika is a new collection of high quality icons for your blogs, websites and applications. It includes such popular icons as desktop icons, hardware, e-mail, arrows, numbers, music, film and other.
Downloads: 31804 - Shareware - Download Now
16 x 16 Pixel Toolbar Icons pack contains everything you need for the toolbar of your office application
Downloads: 45105 - Demo - Download Now
More than 50.000 windows vista icons, You will find at this collection a full range of icons designed to play with original Windows Vista colors and shapes.
Downloads: 55024 - Freeware - Download Now
Large Money Icons is a set of money-related icons for developers of business and finance applications, websites and blogs. Icons have a bright color palette, smooth and well-rounded edges. They are delivered in a variety of formats and sizes.
Downloads: 69173 - Demo - Download Now