PNG ICO ICNS MORE
Desktop apps
3D
Mozilla icons
Thunderbird
Black
256x256
Explorer, microsoft, internet
Glyph
Simple Icons
visualstudio
4096x4096
Aim
windows
500, 500 px, 500px
Laravel
Skype
pocket
twitter
pinterest
Microformats
Flattr
smashingmagazine
Alistapart
Amazonwishlist
Disqus
Bootstrap
Bitbucket
Yelp
Geeklist
youtube
wikipedia
W3c