PNG ICO ICNS MORE
Gaming & gambling
Photorealistic
48x48 Free Object Icons
configuration, preferences, system
Gold
48x48
Network & communications
Pixel
16x16 Free Application Icons
tools, job, production
Black
16x16
UI
Flat
Metro UI Icon Set
windows, Language, Live
SteelBlue
512x512
SEO & web
Glyph
Metro Uinvert Dock
Setting, Language, Live
256x256
PNG MORE
Desktop apps
Smooth
Smile
Setting
DarkSlateGray
90x90
Signs & symbols
3D
Free 3d Glossy Interface Icon Set
settings, Gear, Desktop
64x64
Social media
Metro UI Dock
Live, Language, Setting
Music & multimedia
Gakuseisean
Setting, Panel
Travel & hotels
Handdrawn
Red Little Shoes
default, Setting
YellowGreen
Mobile apps
Android icons
Farm-fresh
tools, Setting
32x32
Dns, Setting
Server, Setting, mail
LightSteelBlue
Mixed
Random icons
DimGray
Business & finance
Devine icons
network, Setting
Bunch of Bluish Icons
Snowish
DarkGray
128x128
Mac OS X style
config, Setting, gears
Free Applications Icons
conf, Options, Desktop
24x24
Wrench, configuration, Options
Bags and boxes
spanner, tools, Setting