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Desktop apps
Flat
Metro UI Dock
Evernote
YellowGreen
512x512
Social media
Smooth
Social media simple
DarkSeaGreen
256x256
Modern Web Social Icons
48px icons
Olive
48x48
A Clean Mini Social Media Icon Set
32x32
Mobile apps
Android icons
Android, Evernote, base
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Glyph
Social Media Stamps
Evernote, xmas, base
IndianRed
94x94
UI
3D
Black and gold
Black
Music & multimedia
Black Beauty
DarkSlateGray
Mixed
48px web iconset
ForestGreen
50 Free Wood Textured Social Media Icons
Peru
128x128
Pixel
WPZOOM Social Networking Icon Set
OliveDrab
38x38
Pretty social media icons
Cartoon
Artcore
Evernote, 256
Gray
Social Puzzle
System Tray Icons v2
16x16
Social and Web Icons v2
46x46
64x64
Upojenie
60x60
DarkOliveGreen
iPhone Sidebar icons
DarkGreen
32 Pixel Social Media Icons
DarkKhaki
32px Mantra
Avatars & smileys
Zoom-eyed creatures 2
Animal, Evernote, elephant