Even some more icons

Streamline Icons

has 30.000 free icons as png file for download.

Noun project

Noun Project features the most diverse collection of icons and stock photos ever. Download SVG and PNG. Browse over 3 million art-quality icons and photos.

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Need images for your application?

Maybe these sites is what you need.

1. http://glyphicons.com/
   400 nice black and white glyphs
2. http://www.famfamfam.com/
   Home of the silk icon set (1000 icons)
3. http://www.smashingmagazine.com/2008/03/06/35-really-incredible-free-icon-sets/
   A lot of links to other good icon sets
4. http://www.iconarchive.com/

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