IconsPedia released on their blog a fine set of 100 free icons in 3 formats. PNG, ICO and ICNS at 64×64 pixels. Icons are available for personal and commercial use and can be downloaded from IconsPedia’s blog.
A fantastic pack of 17 social icons in 3 different sizes can be found at blogperfume.com. Sizes are 128×128, 64×64 and 32×32. Nice set.
FreebiesDock.com released an excellent free icon set which consists of 6 “oldschool” icons. They are available in both .ICO and .PNG formats (16×16,32×32,64×64,128×128) and they can be used in both personal and commercial projects.
Web Designer Depot, a new blog around that you should keep an eye on, released this amazing icon set which consists of 20 colorful icons. You can get them in .EPS format and as the authors state, they are free for both personal and commercial projects.
Snap2Objects.com released this fine icons set which consists of 15 high resolution icons in various sizes and formats. From .ico and .png files to a layered PSD file with sizes from 512px down to 16px.
The icons set is released under the Creative Commons Attribution 3.0 License and can be downloaded from its official website.