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Open source icons - gcons
globe
DimGray
32x32
globe, Fancy
globe, line
Pixelicious
planet, grey, earth
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Quartz
earth, globe, world
64x64
Layered System
web, globe, wide
128x128
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Signs & symbols
Flat
Circle Icons
globe, global, network
512x512
Mixed
Glyph
gcons
Fancy, globe
UI
Smooth