PNG ICO ICNS MORE
Mobile apps
Flat
iOS 7 Style - Metro UI Icons
autodesk, max, 3ds
DarkSlateGray
512x512
Desktop apps
Smooth
Icons Mega Pack 1 and 2
3ds, autodesk, 2009
256x256
3ds, 2010, max
UI
Metro UI Icon Set
autodesk, 3ds, max
Mixed
Perqui
3ds, max
48x48
Gaming & gambling
3D
Delta