Ever wonder where to find the unique icon for your projects? having someone develop a custom icon set could be expensive. Here we have 10 best websites which already have thousands of icons in all kinds of styles for your future projects. And they are FREE!
jumsoft
jumsoft releases free cliparts/icons and free keynote templates
iconpaper
iconspedia
icons Etc
theiconlab
weloveicons
They also provide online services to convert png to ico and icn
iconfactory
iconka
iconfinder
An icon search engine!
iconseeker
smashingmagazine
Search result of "icon" in smashing magazine
smashing magazines has all sorts of free icons from the best designer all over the world