"Stylistica" icon set, by DryIcons. Comes with a Free, Commercial and Extended License.
Get not one, but two amazing FREE icon packs focused around an office theme. Things like monitors, envelopes, address books, pens, paper and more. Enjoy!
280 Free iOS7 Icons Vector Pack - Free Vector Site | Download Free Vector Art, Graphics
I have found 20 free and versatile icon packs to add to your toolkit. Being a designer means you can never have enough icons, so many different styles are available it can be mind-numbing searching for the perfect set.
160 Free Simple Line Icons Webfont
Ocean Packages - Free icon sets by Guillaume Kurkdjian, via Behance (personal use)
free-flat-icons >> http://www.elegantthemes.com/blog/freebie-of-the-week/beautiful-flat-icons-for-free
Download Free Icon Sets : In this post we have added 30 high quality Free icon sets for designers. This list contains some of the best handpicked Free Useful Icon Sets from different categories. Down