PNG ICO ICNS MORE
Network & communications
Smooth
Chatting
preferences, config, settings
Black
512x512
Computer & hardware
Blue Bits Basic and Bonus
user, settings
256x256
Folder, settings
settings, Email
UI
All Google icons
settings
16x16
Social media
Brushed Metal Icons
Music & multimedia
Black Beauty
Desktop apps
HTML5 icons
performance, Cog, settings
Mixed
iVista 2
Panel, settings
Windows 7 toolbar full
settings, Color
PNG MORE
Humility
settings, sound
24x24
VistaICO Toolbar Icons
settings, config, tools
Simple
hammer, tools, settings
128x128
Mac OS X style
gears, settings, Utilities
Aquanox
tool, preferences, settings
Ultimate Gnome
Gear, radar, settings
3D Cartoons III
settings, widgets
Sleek XP: Software
widget, engine, Bra
Hydro Pro
Control, settings, gears
Crystal Project
settings, tools, preferences
settings, software
Oxygen
Wrench, settings, Kit
KDE Crystal Diamond
settings, package
22x22