Free collection of ready stock icons for professional use, provide you with a wide array of glyphs that let you create an engaging front-end for your software without the need to spend weeks on designing your own icons. Icon sizes: 32x32 and 48x48.

Get your program a fresh look and feel using a new set of icons. The set includes the most frequently used toolbar and menu icons. All Windows XP style-like icons you need for items in menus from File to Help.

AIM Buddy Icon Stealer is a brand new program for AOL Instant Messenger (AIM) that allows you to Steal Buddy Icons from all your AIM buddies. That means you can have and use any of the icons they have used!

Health Care Icons is a set of wonderfully crafted icons associated with the sphere of health service. Whether it's a website or software, these icons will make its look much more attractive. The icons are delivered in a variety of formats and sizes.

Free Vista Icon Set from VisualPharm

Security Icon Set is a collection of wonderfully-crafted stock icons for use in commercial and personal products, including software applications, websites and presentations. The icons have a bright color palette, smooth and well-rounded edges.

Database Application Icons for Web or Applications

IconPackager lets you change all the icons used by Windows at once. It's easy to use, easy to create your own icon packages and version 3.0 includes a ton of really cool looking icon packages. Thousands more icons are available on the net.