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Desktop apps
Flat
Metro UI Dock
shortcuts
DodgerBlue
512x512
Social media
Smooth
Social media simple
Skype
256x256
spurl
Computer & hardware
3D
FS Icons Ubuntu
Pretty social media icons
Education & science
Bee Customized Icon
icon | Icon search engine
simple
Shopping & e-commerce
Bimbilini
Stumbleupon
64x64
UI
Glyph
Player Control Icons
stop
32x32
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Mobile apps
Redux
Stocks
59x60
Astra
safari
Pixel
Classy Social Media Icons
Mixed
Addictive Flavour
Skype, Social
48x48
Avatars & smileys
Very Emotional
smiley