PNG ICO ICNS MORE
Photography & graphic design
3D
32x32 Free Design Icons
yes, mark, Apply
Black
32x32
yes
Signs & symbols
Free 3d Glossy Interface Icon Set
yes, mark, validation
64x64
Accept, ready, tick
Business & finance
Refresh CL
shield, Firewall, Check
256x256
PNG ICO MORE
UI
Gnome Web Icons
yes, ok, tick
Must Have
yes, ok, positive
PNG MORE
Desktop apps
Free Applications Icons
ok, success, Accept
24x24
red, tick, yes
Check, Accept, green
Crystal Clear
on, select, correct
128x128
ok, good, yes