Iconic - Free Icon Set
To give the greatest flexibility, the icon set packages all icons in PNG, SVG, SWC, OFT/TTF/EOT and Omnigraffle stencil formats. Iconic tries to work with various tools/workflows to make your life a bit easier.
This set is currently licensed under the Creative Commons Attribution-Share Alike 3.0 license. While I designed these icons specifically for myself, I want them to be everyone’s icons now.