Icons

Alien Entity
Offers free downloads of icons for AIM and for the computer desktop, and avatars.
http://www.entity.cc/

Alternative Icons for KDE
Original icons based around the new KDE icons. They use a limited palette of 34 colors. Distributed under the GNU Library license.
http://www.buzzard.me.uk/jonathan/kde-icons.html

ArtistsValley
Offers icon design services, for both web and software applications.
http://www.artistsvalley.com/

Axialis Icons
Free packs of basic, web mini and web 2.0 basic mini icons, licensed under the Creative Commons Attribution License.
http://www.axialis.com/free/icons/

B-chan's Corner
Anime icons and cursors for Windows XP.
http://ultimatechallenge.i8.com/winxp/

Best Free Icons
Free stock icons, organized by category. Accepts submissions.
http://www.bestfreeicons.com

Bronsoe Icons
Provides several icons for free personal use, including animals and pirate themes.
http://bronsoe.googlepages.com

Collective Soul Icons
Free music related and fun icons, some original and some transparent.
http://www.geocities.com/y00who/index.html

CoolArchive
Large selection of icons in .ico and .gif formats, sorted by category.
http://www.coolarchive.com/icons.php

Delicious icons
Vector icons, offered royalty free, for personal or commercial use, such as platform based applications, cell phones, and websites.
http://www.deliciousicons.com

Dryicons.com
Free icons and free icon sets, as well as free vector graphics. Contains FAQ and blog.
http://dryicons.com

EasyIconFinder
Find icons by keyword, and classify or download in different formats.
http://www.easyiconfinder.com

Electric Icon Land
Free icons distributed from an icon shop. For Macintosh, Linux, and Windows.
http://www.electriconland.com/

FamFamFam Icons
Several large sets of coordinated icons, available for use free of charge under a Creative Commons Attribution license.
http://www.famfamfam.com/lab/icons/

Free Icons Download
Offers high quality royalty free icons for Windows, Mac and Linux, in Ico, Gif, Bmp, Png formats.
http://www.freeiconsdownload.com

FreeIconsWeb
Available for Windows, Macintosh and Linux systems. Selection includes monsters, beer and disk jockey Vista themes.
http://www.freeiconsweb.com/

Gort's Icons
Icons for the Mac, Windows, Palm, and Amiga, as well as Mac OS X user pictures.
http://www.forrestwalter.com/icons/index.html

Hyperflame
Several colorful sets for Mac and PC.
http://home.pacific.net.au/~istara/

Icojoy
Stock icon sets ready for use. Features FAQ and a blog.
http://www.icojoy.com

Icon Designer
Some free ware icons as well as examples of custom work by Sebastiaan de With. Contains an overview of design services that includes interface design, and application and toolbar icons.
http://www.icondesigner.net/

IconAmazons
A gallery of Mac and Windows icons.
http://www.bry-backmanor.org/iconamazons/

IconArchive
Large offering of icons for Windows, Mac and Linux, from many authors.
http://www.iconarchive.com/

Iconblog
Offers icon sets, archives and articles gathered from the internet and presented in a blog.
http://www.iconblog.com

IconExperience
Collections for software developers and user interface designers. Offers a free sample collection and technical information.
http://www.iconexperience.com/

The Iconfactory
Icons, wallpaper, and related software for Macintosh and Windows systems. Includes free and commercial products.
http://www.iconfactory.com/

IconLibrary
A collection for Windows, organized in groups. A trial, unregistered version is available.
http://iconlibrary.com

IconPacks
Icons that can be licensed for use in commercial projects, software applications or websites.
http://www.iconpacks.com/

Icons
Offers Mac and PC icons, including a NES pack, a Halloween set and Rino icons for docks.
http://www.ikony.w.inds.pl/

Icons A Creator's Site
Hand-created Windows icons and tutorials on making them.
http://www.geocities.com/SiliconValley/Pines/6717/

IconsCity
Icons and wallpapers. Icons include free and stock, featuring country themes such as United States, United Kingdom and France.
http://www.iconscity.com

Iconshock
Windows Vista icons in many colors and shapes, as well as royalty free icons.
http://www.iconshock.com/index.php/

IconShoppe
Royalty free, stock icon sets.
http://iconshoppe.com/

IconsMonster
Offers a collection of icons covering many themes such as business, holidays and people. Offers secure PayPal ordering.
http://www.iconsmonster.com/

IconsPedia
Download free icons in PNG format. Arranged by categories, that include animals, food and phones.
http://www.iconspedia.com

IconsTree
Free icons and cursors for the Mac and PC, wallpapers and cursors.
http://www.iconstree.com/icons.htm

Icozon
Vista-ready icons for desktop, web and mobile applications. Browse by priority, tag or newest additions.
http://www.icozon.com/

iDev
A large group of icons available, some unique, grouped by subject.
http://www.idev.ch/content/view/86/63/

iDolls icon
Japanese Anime character icons for Windows and Mac OSX.
http://icon.cute.bz/

iVGI
Large collection of video game icons, from the Atari 2600 and Commodore 64 to the Xbox, GameCube and PS2. Includes previews.
http://www.ilk.i12.com/

Jeffrey Zeldman Presents
Characters and animals for web sites, and for Mac, Windows, or Unix desktops.
http://zeldman.com/icon.html

Jeff's Icons
Free and fee icons for the PC, including sports, television networks and coins.
http://www.jeffs-icons.com/

John Tien's Icon Page
Guide for changing icons on PC, and a large selection available for download.
http://www.geocities.com/changeicons/

Linux Icons
Penguin icons in Windows ico, gif and PNG formats.
http://www.willamowius.de/linux.html

Marg-Art
Transparent and animated cat cursors and icons, and how-to instructions for using them.
http://www.marg-art.com/

Mintra Systems
A selection of Windows XP style freely reusable icons and artwork.
http://mintrasystems.com/products/icons

MyFaceIcons.com
Personalized icons/avatars drawn from a photo and optimized for the web, email and mobile phones.
http://www.myfaceicons.com/

New Icons for the Linux OS
Set includes animation windows, status graphics, icons for the BASH terminal, and system console. Open Content in accordance with GNU.
http://www.angelfire.com/rant/milton/icons.html/

Professional-Icons
Icons for Windows Vista/XP, and web software.
http://www.professional-icons.com/

Quality Icons Blog
Includes a variety of icons for download.
http://qualityicons.blogspot.com/

Techlogica
Offers pre-made icon packs, as well as custom icon design services. Some free icons available.
http://www.techlogica.us/

Titan Icons
Professionally designed royalty free digital icons, logos, web templates, and graphics. Offers visual samples including square, flag and 3D icons.
http://www.titanicons.com

Top Icons
Some free, some fee icons, for Windows and Mac. Includes cartoons, sports, animals and system.
http://www.topicons.com/

uiicons
Vista style icons for software projects or web applications. Includes people, dogs and transport themes.
http://www.uiicons.com/

Virtual Horse Graphics
Horse icons and buttons.
http://virtualhorses.com/graphics/icons/horseicons.htm

VirtualLNK
Icons collections include designs for multimedia, medical and business. Contains news and articles as well as information on custom graphics services.
http://www.virtuallnk.com/multimedia-icons/

VisualPharm
Custom icons for commercial software manufacturers. Some free samples for Windows Vista.
http://www.visualpharm.com/icons.html

Wackypixel Co.
Icons and desktop pictures for Mac OS X and Windows XP and Vista. Some are free, most fee. Custom design services available.
http://www.wackypixel.com/

Windows Icons WebRing
A webring for sites that offer icons.
http://www.webring.com/hub?ring=windowsicons

Zapaticons
A collection of icons that were originally created for the Amiga, converted for Windows, Mac, BeOS, and Atari.
http://zapatopi.net/icons.html/

Zeusbox Studio
Free icons for Mac, Windows and Linux.
http://www.zeusboxstudio.com/blog/feedicons-2