PNG ICO ICNS MORE
Google Drive
drive, button, google
Gray
512x512
original, Dark, google
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Android icons
gray, pyramid, Alien
72x72
Red Box Folders
gray
32x32
Fugue
gray, calculator, calculation
16x16
Desktop apps
Smooth
Farm-fresh
gray, card, Amex
Color, to, Convert
Social media
3D
Free 3D Social Icons
Digg, snap, silvery
UI
Pixel
Fugue Icons
gray, calculator
Computer & hardware
Futurosoft
Folder, gray, open
128x128