PNG ICO ICNS MORE
Desktop apps
Glyph
Ourea Icons
system
Black
256x256
Flat
Circular icon set
system, drive
Smooth
170 dock icons
Photorealistic
Free Mac Icons
system, preferences
512x512
PNG ICO MORE
3D
Demo Professional Toolbar Icons
binding, Relations, system
64x64
Sabre
Folder, system
Obsidianus
system, Folder
128x128
Mac OS X style
gears, settings, Utilities
PNG MORE
Free Applications Icons
conf, Options, Desktop
24x24
Wrench, configuration, Options