Micro Icon Set – 110 16×16 pixels PSD Icons
Micro Icon Set - includes 110 icons in total and is 16x16 pixels. This is entirely vector and can be scaled to any size if needed. It also includes a photoshop PSD.
A Regularly Growing Set Of Window 8-Inspired Icons
Icons 8 - a regularly updated set of beautiful icons that are inspired from the Windows 8 interface. 3 new icons posted every day.
Set of Google+ Inspired Interface Icons (204)
A huge bundle of Google Plus interface icons what includes both vector (PNG) and pixel perfect (PSD) sources ready for download.
The Best FREE bundle ever
Fantastic and ready-to-download bundle of freebies: 10 WordPress themes, 750 professional icons and hundreds of design elements
