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Files & folders
3D
Soda Red
soda, Key, red
Black
512x512
Gaming & gambling
Free Game Icons
secure, Authentication, password
64x64
Desktop apps
Free Social Media Icons
people, Myspace, knob
RoyalBlue
Logo, add to, plus
LimeGreen
Photography & graphic design
32x32 Free Design Icons
locked, Key, secure
32x32
Key, password, login
UI
Momentum Matte icons
Key, Add
DimGray
Key, Go
delete, Key
Key
Mixed
Momentum Glossy icons
Add, Key
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Webtoys
Khaki
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Soft media icons vol 2
Silver
33x33
Location icons
Key, Checkin
BurlyWood
128x128
My Secret
Key, Lock
SandyBrown
Education & science
Aristocracy
Gainsboro
48x48
Business & finance
Refresh CL
256x256
Social media
Free 3D Social Icons
Digg, snap, silvery
Gray
Chat, button, societal
Security
Secure icons
Unlock, private, secure
Super Vista
Foreign, Key
400x400