PNG ICO ICNS MORE
UI
Glyph
Metro UI Dock
Mb, light
Black
256x256
PNG MORE
Business & finance
Black ToolBar Icons
Idea, lamp, light
40x40
Mixed
Retina Display Icons
Idea, on, bulb
Silver
64x64
light, bulb, off
Desktop apps
16x16 Free Toolbar Icons
help, off, on
16x16
lamp, light, question
Burn, Flame, fire
gcons
light
DimGray
32x32
Computer & hardware
Android icons
Gray
48x48