PNG ICO ICNS MORE
Desktop apps
Smooth
170 dock icons
Opera
Black
256x256
Mobile apps
Android icons
Opera, Android, base
base, Logo, Opera
Music & multimedia
Black Beauty
Photography & graphic design
Weaver Icon Set
128x128
Mnml
Sleek XP: Software
UI
Hydro Pro
Blue o, O, Opera
Computer & hardware
Futurosoft
KDE Crystal Diamond
22x22