PNG ICO ICNS MORE
Network & communications
Smooth
Chatting
preferences, config, settings
Black
512x512
PNG SVG MORE
Social media
Icocentre Free Icons
Options, Cog, optimization
Lavender
PNG MORE
Photography & graphic design
Adore
settings
DarkSlateGray
118x118
Desktop apps
wood leather apple icons
516x517
Signs & symbols
Two Tone Design Set
settings, tool, wheel
DarkGray
128x128
Mobile apps
Apple iOS 7 icons
DimGray
iOS 7-inspired Mac icon set
preferences, settings
1024x1024
Mixed
Perqui
Folder, settings
Peru
48x48
Computer & hardware
Blue Bits Basic and Bonus
document, Gear, settings
WhiteSmoke
256x256
user, settings
Application, settings
SteelBlue
Database, settings
image, settings, photo
settings, Email
UI
All Google icons
16x16
Athena HD
Silver
126x128
Files & folders
Pry Frente Black Special
Music & multimedia
Gakuseisean
File, settings
Gainsboro
Sugar icons
SaddleBrown
Absolute 32
32x32
settings, Dark
Brushed Metal Icons