PSDfreebee is a website presenting free PSD files which you may find helpful while designing websites & applications.
You can find PSD logos, website layouts, icons & more. It is a fresh website where there are already 25+ quality files and new ones are added frequently.
Ganato Design gives away 24 PSD icon sets for free.
The sets include icons for applications, charts, databases, documents, emails, users, weather & more.
Sizes of icon sets differ between 16*16, 32*32 & 48*48 pixels.
Crystal Clear is a high quality & free icon set.
This icon set includes nearly every icon an application may need as it contains 1300+ icons.
Set comes with sizes: 16*16, 22*22, 24*24, 32*32, 48*48, 64*64 and 128*128 in PNG format.
Vaga is an icon set containing 60 quality, semi-transparent PNG icons.
Icons in the set are very suitable to be used within web applications as it includes user icons, shopping icons, add / remove icons and more.
Fell free to use the icons in commercial projects and make sure you check the license agreement before use.
Sweetie is a 2 set of free icons that you can use in your web applications.
First icon set is the BasePack (182 icons):
Second icon set is communication icons (37 icons):
Sweetie icon sets are licensed under a Creative Commons licence and commercial use is fine. Also feel free to make derivatives with the included Photoshop documents.
Attractive social bookmarking icons are a factor in website visitors clicking on them and help everyone to share, bookmark & promote your content.
WebResourcesDepot have collected these beautiful social bookmarking icon sets:
http://www.snap2objects.com/2007/11/06/free-vector-social-bookmark-icons/
Package includes PDF vector format and PNG social bookmark icons.
http://vikiworks.com/2007/06/15/social-bookmark-iconset/
Package includes 1 PNG file with all social bookmark icons.
http://vikiworks.com/2007/07/28/social-bookmark-iconset-part-2/
Package includes 1 PNG file with all social bookmark icons.
http://fasticon.com/freeware/?p=65
Package includes 10 social media icons.
http://fasticon.com/freeware/?p=72
Package includes 17 bookmark icons.
http://www.freakgroup.com.ar/pack-de-iconos-sociales-v10/
Package includes 12 social bookmark icons in PNG format.
Standard 16×16 GIF social bookmark icons.
http://www.feedforall.com/social-bookmarking-icons.htm
This free vector icon set is created by Monofactor and includes 25 lovely icons.
Icon set is suitable to be used in content management systems or other web project interfaces as it includes the standard add, edit, delete, e-mail and similar icons.
Valentine’s Day icons are created by IconDrawer which also has some other free icon sets.
Icon set includes 5 icons with 16*16, 32*32, 48*48 & 128*128 sizes.
There are versions for Windows & Mac OS X.
CSSCreme is presenting 4 free glossy icon sets which includes Sticky Pack, Glass Folders, 3D Blue & Mirror themes.
Glass Folders
3D Blue
Mirror
Adding icons to text links without any programming, not using if elses or functions is possible with Iconize which is only a css file and the related icons.
Iconize, which is a css file, simply looks for the pre-defined texts in the website and shows the icon mentioned in the css file. For ex: Iconize looks for the .pdf text in the website and when finds it, adds the icon after that.
