Resource. Developer's Icons

A collection of 105 (32x32) icons available in .icns, .ico, icontainer and .png format.

The icons from the icon set are free to use in personal or commercial projects without any attribution or credit.

The only limitation is that no selling is allowed for any of these icons individually or as an icon pack. However, it is permitted to sell a product which uses any of these icons as part of the product. It is also not allowed to provide these icons for download.