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Social media
Photorealistic
Old Bottle Crowns
twitter, Beer cap
DarkSlateGray
200x200
UI
Glyph
System Tray Icons v2
twitter
16x16
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3D
Derelict Social Media Icons
grunge, metal, Highlight
64x64
nonhighlight, twitter
6, Highlight, twitter
256x256
twitter, 6, nonhighlight
Mixed
Outline
Dortmund
32x32
Smooth
Social Jeans
128x128
Business & finance
Wireframe mono icons
Facebook, social media, twitter
48x48
Files & folders
Folder Style
twitter, iwiw, Myspace
twitter, Folder
Pixel
WooFunction Icon set
twitter, consultant, user
user, twitter
Desktop apps
Flat
2experts free icons set
Twitter Icons
09, twitter
10, twitter
Animals
Cartoon
bird, twitter, Animal