Smallicons, a set of 54 flat icons created and designed by Nick Frost and Greg Lapin of Smallicons. The icons were made using Photoshop vector shapes and are available in different formats. Icon pack contains ready to use PNG files as well as SVG vector source files. The PNG files come in two dimensions: 32 × 32 and 64 × 64 pixels. The set also includes swatch files, so that you can select colors in Photoshop using the color swatches palette.
Smallicons is released under the Creative Commons Attribution 3.0 Unported licence, freely available for personal and commercial projects.