PNG ICO ICNS MORE
Mixed
Smooth
Angular UI
watch out, warning
SandyBrown
512x512
PNG ICO ICNS SVG MORE
Tango Icon Library
warning, Dialog
Black
UI
Snipicons
warning, sign
Desktop apps
Free Funktional Icons
warning
Goldenrod
48x48
Farm-fresh
warning, compile
32x32
Computer & hardware
Crystal Project
stock, Dialog, warning
All Google icons
y, warning
Gold
64x64
Music & multimedia
Gakuseisean
DarkKhaki
256x256
Absolute 32
Chocolate
Business & finance
Luisance Pack
iVista 2
DarkGoldenrod
Pretty office icons part 5
warning, Folder
Pretty Office Icon Set Part 6
DarkOrange
Simple But Sophisticated App
PNG MORE
DeviantArt Gallery Icons
DarkSeaGreen
110x110
Elegant Themes Icons
warning, Database
WhiteSmoke
warning, paper
LightGray
group, warning, person
DodgerBlue
warning, person
DarkSlateGray
person, warning
White, person, warning
Gray
Bunch of Bluish Icons
exclamation, Alert, warning
DeepSkyBlue
Juicy Fruit