PNG ICO ICNS MORE
Mixed
Smooth
Feedicons v 2
Folder, Add, plus
CadetBlue
16x16
Social media
Aquaticus
netvibes, Add, Minus
Green
60x60
PNG MORE
Pixel
Add, Accept, plus
YellowGreen
24x24
C9d
Add, user, plus
CornflowerBlue
Desktop apps
Diagona Icons
plus, green, Add
MediumSeaGreen
collapse, new, plus
DarkGray
plus, Add, green
ForestGreen
3D
Flavour Extended
button, Add, Blue
48x48
button, green, plus
pink, button, plus
MediumOrchid
plus, violet, button
BlueViolet
button, plus, red
IndianRed
Database, Add, plus
Gray
plus, Key
WhiteSmoke
Shopping & e-commerce
Woothemes Ultimate Icon Set
plus, Add
128x128
Dellipack
plus, more, cross
256x256
Computer & hardware
Crystal Project
bookmark, Add, star
Black
Photography & graphic design
Dark Glass
plus, Add, group
DarkBlue
green, Add, plus
LimeGreen
Futurosoft
Add, plus
32x32
UI
Glaze
plus, zoom
64x64
Twotiny
Add, Folder, plus
Lavender
18x18
DimGray
10x10
plus
DarkGreen