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Desktop apps
Smooth
Icons Mega Pack 1 and 2
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Black
256x256
Free Colorful Icons
Snow
360x360
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Flat
Plex for Android
Gainsboro
96x96
Handdrawn
Sketchy Icons v 1.2
gmail, Copy
Smile
WhiteSmoke
90x90
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Glyph
Brands & applications
512x512
Flurry for the web
Silver
Athena HD
126x128
Metro UI Dock
gmail, Mirror
IndianRed
640x640
Red
170 dock icons
Firebrick
Astra
mail, gmail
59x60
Mnml
128x128
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Social and web icons
gmail, google, noticias
64x64
Polaroid
rectangular gmail, gmail
62x78
Web 2.0 Origami
OrangeRed
250x250
40x40