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Desktop apps
Smooth
Farm-fresh
Dopplr
DarkKhaki
32x32
Social media
Social media simple
256x256
Modern Web Social Icons
Tomato
Pretty social media icons
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Social and Web Icons v2
Khaki
46x46
Social Keys Icon Pack
DarkSlateBlue
140x140
WPZOOM Social Networking Icon Set
24x24
Mixed
Addictive Flavour
Dopplr, Social
DarkTurquoise
48x48
Social Media Mini
DarkSeaGreen
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Social and web icons
64x64