PNG ICO ICNS MORE
UI
Pixel
Gnome icons
connector, Circle, Draw
Black
24x24
Circle, with, starts
Draw, ends, Circle
starts, Draw, Circle
Circle, with, ends
with, connector, line
line, Draw, Arrow
Draw, with, Circle
Draw, connector, ends
connector, straight, with
Circle, slant, Transform
CadetBlue
16x16
Transform, perspective, Circle
Fugue Icons
Minus, frame, Circle
DarkSlateGray
Circle, Minus
Firebrick
DarkRed
Circle, frame, plus
plus, Add, Circle
Green
Circle, plus
tick, frame, Check
Accept, Circle, tick
Check, ok, tick
Mixed
3D
Flavour Extended
Circle, Rss
Chocolate
48x48
Computer & hardware
Smooth
Crystal Project
Circle, mini
Function icons
I, Circle, Ball
SteelBlue