1. 2pt3 IconsA set of 75, one color flat mini icons, that are repeated in 5
    different colors, to make a total of 375 icons. These are pretty basic
    and look like they were made with the Sansicons Icon Generator.

    visit 2pt3 Icons

  2. 300 Images from 1800 Sites300 mini icons separated by category.

    visit 300 Images from 1800 Sites

  3. Ajax Activity IndicatorsFree set of animated gif Ajax activity indicators

    visit Ajax Activity Indicators

  1. AJax Activity IndicatorsAbout 50 free ajax loading / activity indicators.

    visit AJax Activity Indicators

  2. AjaxLoadFree tool to generate animated loading indicator icons, to use for activiyty/ loading image.

    visit AjaxLoad

  3. ASP .NET Icons300 small icons, meant for ASP.NET applications, but could be used elsewhere.

    visit ASP .NET Icons

  4. Bullet MadnessFree mini icons. Pretty basic, but some cool ones there.

    visit Bullet Madness

  5. CrystalXP.net GalleryLots of free crystal theme xp icon sets.

    visit CrystalXP.net Gallery

  6. Developer Icons102 royalty free icons.

    visit Developer Icons

  7. DeviantART IconsLots of random Icons here.

    visit DeviantART Icons

  8. Enhanced LabsFree desktop icon sets

    visit Enhanced Labs

  9. Fast IconQuality icon sets. Royalty free. Hundreds.

    visit Fast Icon

  10. Feed IconsFree RSS feed icons.

    visit Feed Icons

  11. Firefox and Mozilla Icon PacksThe Icon Packs Project provides a collection of icon packs for Mozilla
    products such as Firefox, SeaMonkey and ThunderBird. An icon pack
    allows you to change the window icons of your browser/email software.

    visit Firefox and Mozilla Icon Packs

  12. GNOME Art IconsGreat Icon sets

    visit GNOME Art Icons

  13. GNOME-look.orgFree Icon Sets

    visit GNOME-look.org

  14. HoHoHo Mini IconsLarge set of mini greyscale icons.

    visit HoHoHo Mini Icons

  15. Iconaholic.com IconsFree os x themed icon sets, geared toward desktop use.

    visit Iconaholic.com Icons

  16. IconBulkRoyalty Free Stock Icons: 2887 Mac Os X icons in 142 sets.

    visit IconBulk

  17. icone-gif.comKind of a hodgepodge of crazy animated gifs, and icons. Good luck.

    visit icone-gif.com

  18. Icons by EchoFree Star Trek Icons.

    visit Icons by Echo

  19. Ihearty Free IconsSome really original and interesting looking icon sets.

    visit Ihearty Free Icons

  20. InterfaceLIFTTons of icons here: offer 16,222 icons in 1,047 sets for use with Mac OS X, and 4,457 icons in 269 sets for use with Windows XP.

    visit InterfaceLIFT

  21. KDE-Look.orgBig directory of icons and more

    visit KDE-Look.org

  22. Leo’s Icon ArchiveList of over 12,000 free icons. Lots of these aren’t the greatest, but
    there are some good ones, and they’re free, so we can’t complain.

    visit Leo’s Icon Archive

  23. MaxPowerThere are no actual icons here, but the site features lots of links to free icon sets.

    visit MaxPower

  24. Mini Pixel IconsThese mini icons are designed at 14Å~14px with transparent background.
    They are specially designed for header or side navigation buttons.

    visit Mini Pixel Icons

  25. Page Full of IconsThis is simply a page full of hundreds of various icons. It takes a while to load.

    visit Page Full of Icons

  26. Pixel Pressicons139 cool free and original icon sets.

    visit Pixel Pressicons

  27. Pixelgirl Free IconsThe title says free, but then there’s this note that says “Please note
    that these icons are owned by the artist and can NOT be redistributed
    without permission. “. I guess use them, but don’t redistribute them.

    visit Pixelgirl Free Icons

  28. SansconsHighly customizable icon generator. These icons are small and simple,
    only one color, and flat simple design. CSS based icons. (The premise
    is very simple — use transparent gif icons and take advantage of CSS to
    style them in whatever way you choose.)

    visit Sanscons

  29. Tango Icon GalleryFree Icon Set in SVG format. There are some great windows style icons here. Great for applications or websites.

    visit Tango Icon Gallery

  30. The Icon FactoryLots of free icons in Mac, Windows, Pixadex, and Candybar formats, and are free for pesonal use only.

    visit The Icon Factory

  31. Web BadgesHundreds of free web badges. These are the little 88×15 images that you
    sometimes see used for rss, valid xml and valid html. (Standard web
    badges or web buttons 80×15 pixel and 88×31 pixel in PNG format
    (maximum quality) only with the “Silkscreen” font. )

    visit Web Badges

  32. Web Control IconsFree set 10 icons, repeated in 4 colors and 3 sizes. Pretty good.

    visit Web Control Icons

  33. Wikimedia CommonsThis site has mother load of free icons. It’s almost a bit difficult to
    sort through because there are just so many. Excelent resorce for free
    icons.

    visit Wikimedia Commons

  34. xanthic eyeFree Icons

    visit xanthic eye

  35. Yellow IconFree Community Icons belong to the individual authors or companies and are free for personal and non commercial use.

    visit Yellow Icon

  36. Zyotism Aesthetics IconsA few small, high quality, free icon sets

    visit Zyotism Aesthetics Icons