Professional Aqua Style Icons for Mac, Vista, and Web Applications
Free
12 Free Application Basic Icons in this set
Hundreds of scientific objects and actions in one icon set
Professional-quality software icons in raster and vector formats
12x12 Free Toolbar Icons pack will instantly refine your toolbar
Replace, colorize and export standard Windows icons, modify desktop attributes
3 free application icons for software and website.
Collection of attractive toolbar and menu icons for security related software