PNG ICO ICNS MORE
Computer & hardware
Smooth
Crystal Project
cross, cancel, button
DarkRed
256x256
Futurosoft
cancel, button
Black
32x32
button, fewer
UI
Function icons
google, button
WhiteSmoke
48x48
File, bird, button
Mixed
Carpelinx
button, plus, Add
Silver
64x64
right, button, player
Desktop apps
KDE Crystal Diamond
button, cancel
Firebrick
22x22
ok, button