PNG MORE
Mobile apps
Glyph
Free Retina Icon Set
brightness, Source, day
Black
60x60
PNG ICO ICNS MORE
Desktop apps
3D
Free Social Media Icons
light, bulb, Info
CornflowerBlue
512x512
speech, about, Bubble
DodgerBlue
Business & finance
48x48 Free Time Icons
Strike, Idea, light
48x48
PNG ICO ICNS SVG MORE
Outline
iOS 7 icons
Idea
E-commerce & business icons
256x256
UI
Mimi Glyphs
Idea, light
16x16
Windows 8 icons
DarkSlateGray
26x26
Pixel
Windows 8 Pack (Metro Style)
Mixed
Smooth
48px web iconset
lightbulb, off, Idea
Gainsboro
Avatars & smileys
Buttery
Idea, Have, no
128x128
Photography & graphic design
This is Art 2
webdesign, tips, Idea
Duesseldorf
lightbulb, Idea
32x32
Black ToolBar Icons
Idea, lamp, light
40x40
Retina Display Icons
Idea, on, bulb
Silver
64x64
Vector icon set
Idea, light, lightbulb
DarkGray
126x126
16x16 Free Toolbar Icons
lamp, light, question
IconSweets 2
light, Idea, Buld
Idea, Buld, Black & white
Pretty Office Icon Set Part 6
Idea, intercommunication, commerce
Computer & hardware
WooCons #1
on, bulb, hint
Gold
Files & folders
Snow Sabre Silver
Idea, Folder
Gray
Stuttgart
Idea, lightbulb
WhiteSmoke
Handdrawn
Web Cartoon
Light bulb, Idea