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Social media
3D
Professional Toolbar Icons - free
Animation, adobe, media
Crimson
64x64
UI
Momentum Matte icons
lightning
DarkGoldenrod
32x32
Mixed
Momentum Glossy icons
Goldenrod
Weather
Magic Weather
forecast, lightning, thunderstorm
Black
256x256
Business & finance
FRESH Add-on
Cloud, weather, lightning
Cloud, lightning
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Desktop apps
Free Applications Icons
Electric, shock, Energy
24x24
Bolt, weather, thunder
Photography & graphic design
Dark Glass
lightning, power, Disk
DarkSlateGray
128x128
lightning, quick, restart
SaddleBrown
Glaze
quick, lightning, power
Silver
Nuvola
power, lightning, Folder
lightning, Print, quick
DimGray
48x48
Crystal Clear
lightning, power, zap
SandyBrown
Folder, power, lightning
LightSkyBlue