A free and open Icon collection. Over 10,000 Unique Icons. Free for anyone to use on you computer, website or any other project. The library is not a theme. Its a centralized source for icons to cover all your needs. The goal is to cover all common apps, operating systems, mimetypes, devices, and country flags.

A collection of 100 pixelated camera illustrations for anybody to download and use in whatever way they see fit.

Nice icons and wallpapers for the discerning individual, collected and curated.

Gameboy Rom Icons by ~Alforata

ConvertICO is a Free Online Converter - fast (you don't need to install the software and you don't need to register) and easy to use (you need only 3 clicks to convert the PNG or ICO file) - which allows you to convert PNG to ICO (Windows Vista compatible) and ICO to PNG format files.