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Aqua Gloss
task
Gold
128x128
Human-O2
tomboy
RRZE
Not, Available, temporarily
720x720
iSuite Revoked
tux, Penguin
512x512
Social media
Smooth
Cute Social Media Icons
twitter
Timblr
Technorati
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Files & folders
Flat
small-n-flat
turntable
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Mixed
Pixel
Simply 8-bits #12
Triforce
96x96
Business & finance
Glyph
24x24 Free Application Icons
tag, yellow
24x24
taxi
Network & communications
16x16 Free Application Icons
16x16
The Circle Icons
Tweetdeck
513x513
UI
Metro UI Icon Set
Utilities, Up, tune
SEO & web
Metro Uinvert Dock
Up, Utilities, tune
256x256
Desktop apps
48px icons 5
48x48
Metro UI Dock
All Google icons
Trendsforwebsites
64x64
Flags
TSGK Flags
Tokushima
Utilities, tune, Up
48px icons
Handdrawn
Hand Drawn Web Icon Set
Trash, tag
tags