PNG ICO ICNS MORE
Desktop apps
Smooth
NOD 2
sound, |, Clipping
WhiteSmoke
512x512
UI
Pixel
Gnome icons
sound, plugin, video
24x24
Computer & hardware
Crystal Project
sound
256x256
3D
Glaze
128x128
Network & communications
Oxygen
File, sound, music
Nuvola
Mixed
Nuove
realistiK Reloaded
sound, music, File
Crystal Clear
sound, mime
48x48
Silk
Apple, ipod, sound
16x16