Large Icons for Vista is a set of smooth and polished icons designed in the same manner as the original Vista icons The icons come in two versions: with or without shadows and are delivered in various sizes and formats in 256 colors and 32-bit.
License: Demo
OS Support: Linux, Linux Open Source, Mac OS X, Mac Other, Mac PPC, WinXP, WinNT 4.x, WinNT 3.x, WinME, Win2003, Win2000, Win Vista, Win CE, Win98, Win95, Win 3.1x, Linux Gnome, Pocket PC, Palm OS 3.2, Palm OS 3.1, Palm OS 3.0, Palm OS 2.1, Palm OS 2.0, Palm OS 1.0,

If you need a great-looking set of toolbar icons for your brand-new of redesigned application, make sure to try Basic Toolbar Icons! It is a set of pro-level and high-quality interface icons that will suit any modern business application.
License: Demo
OS Support: Linux, Linux Open Source, Mac OS X, Mac Other, Mac PPC, WinXP, WinNT 4.x, WinNT 3.x, WinME, Win2003, Win2000, Win Vista, Win CE, Win98, Win95, Win 3.1x, Linux Gnome, Unix

Vista Financial Icon Library is a collection of money and shopping related icons in Windows Vista style The collection is distributed as BMP, PNG, GIF and ICO files with each icon present in the 16x16, 24x24, 32x32, 48x48, 128x128 and 256x256 sizes.
License: Demo
OS Support: Linux, Linux Console, Linux Open Source, Mac OS X, MAC 68k, Mac Other, Mac PPC, WinXP, WinNT 4.x, WinNT 3.x, WinME, Win2003, Win2000, Win Vista, Win CE, Win98, Win95, Win 3.1x, Linux Gnome, Unix

Icon Processor is a must-have utility for every design enthusiast It enables you to convert your favorite photos and images into nifty icons.
License: Shareware
OS Support: WinXP, WinNT 4.x, WinME, Win2003, Win2000, Win Vista, Win98, Win95

Perfect Internet Icons is a collection of network-related icons The collection is distributed as BMP, PNG, GIF and ICO files.
License: Demo
OS Support: Linux, Linux Open Source, Mac OS X, Mac Other, Mac PPC, WinXP, WinNT 4.x, WinNT 3.x, WinME, Win2003, Win2000, Win Vista, Win CE, Win98, Win95, Win 3.1x, Linux Gnome, Pocket PC, Palm OS 3.2, Palm OS 3.1, Palm OS 3.0, Palm OS 2.1, Palm OS 2.0, Palm OS 1.0,

Add a stylish touch to your products with Science Icon Set! 145 images related to mathematics, chemistry, biology and other sciences All icons in 256 and 16.
License: Demo
OS Support: Linux, Linux Open Source, Mac OS X, Mac Other, Mac PPC, WinXP, WinNT 4.x, WinNT 3.x, WinME, Win2003, Win2000, Win Vista, Win CE, Win98, Win95, Win 3.1x, Linux Gnome, Pocket PC, Palm OS 3.2, Palm OS 3.1, Palm OS 3.0, Palm OS 2.1, Palm OS 2.0, Palm OS 1.0,

Generic toolbar icons might not be the most exciting icons available, but we've infused ours with an attractive and clever design that you and your users will love Fill your toolbar with the right symbols for a better chance at success.
License: Demo
OS Support: Linux, Linux Open Source, Mac OS X, Mac Other, Mac PPC, WinXP, WinNT 4.x, WinNT 3.x, WinME, Win2003, Win2000, Win Vista, Win CE, Win98, Win95, Win 3.1x, Linux Gnome, Pocket PC, Palm OS 3.2, Palm OS 3.1, Palm OS 3.0, Palm OS 2.1, Palm OS 2.0, Palm OS 1.0,

Hardware Icon Set is a collection of hardware icons, distributed in BMP, PNG, GIF and ICO formats and 16x16, 24x24 and 32x32 sizes The collection features both 256-color icons (for old Windows versions) and full-color icons for Windows XP and Vista.
License: Demo
OS Support: Linux, Linux Open Source, Mac OS X, Mac Other, Mac PPC, WinXP, WinNT 4.x, WinNT 3.x, WinME, Win2003, Win2000, Win Vista, Win CE, Win98, Win95, Win 3.1x, Linux Gnome, Pocket PC, Palm OS 3.2, Palm OS 3.1, Palm OS 3.0, Palm OS 2.1, Palm OS 2.0, Palm OS 1.0,

Military Icon Set is a collection or army icons available in a multitude of resolutions and a variety of versions and file formats The collection of military icons can be supplied in the form of raster or vector images.
License: Demo
OS Support: Linux, Linux Open Source, Mac OS X, Mac Other, Mac PPC, WinXP, WinNT 4.x, WinNT 3.x, WinME, Win2003, Win2000, Win Vista, Win CE, Win98, Win95, Win 3.1x, Linux Gnome, Pocket PC, Palm OS 3.2, Palm OS 3.1, Palm OS 3.0, Palm OS 2.1, Palm OS 2.0, Palm OS 1.0,

Toolbar Icon Set is a collection of wonderfully-crafted ready-made icons for use in commercial and personal programs and websites The icons have a bright color palette, smooth and well-rounded edges.
License: Demo
OS Support: WinXP, WinNT 4.x, WinNT 3.x, WinME, Win2003, Win2000, Win Vista, Win CE, Win98, Win95